Is the relation a function?
Choose the answer that is entirely correct.
Responses
This relation is a function because each input has exactly one output.
This relation is a function because each input has exactly one output.
This relation is not a function because an output has two different inputs.
This relation is not a function because an output has two different inputs.
This relation is not a function because an input has two different outputs.
This relation is not a function because an input has two different outputs.
This relation is a function because all of the outputs have exactly one input.
Answers
The correct option is
This relation is a function because each input has exactly one output.
What is Function?In mathematics, a function is represented as a rule that produces a distinct result for each input x. In mathematics, a function is indicated by a mapping or transformation. Typically, these functions are identified by letters like f, g, and h. The collection of all the values that the function may input while it is defined is known as the domain. The entire set of values that the function's output can produce is referred to as the range. The set of values that could be a function's outputs is known as the co-domain.
Given:
From the figure the input are distinct and no input get coincide with output.
So, A function is a relation that states that there should only be one output for each input.
Alternatively, we could say that a function is a special sort of relation (a collection of ordered pairs) that adheres to the rule that every X-value should only be connected with one y-value.
Hence, This relation is a function because each input has exactly one output.
This relation is a function because each input has exactly one output.
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Related Questions
Determine weather the statement is true or false. Justify your answer
Answers
As we know:
[tex]\begin{gathered} \cos (x)=0 \\ for \\ x=\pi n-\frac{\pi}{2} \\ n\in Z \end{gathered}[/tex]For:
[tex]\begin{gathered} n=2 \\ x=2\pi-\frac{\pi}{2}=\frac{3\pi}{2} \\ for \\ n=-3 \\ x=-3\pi-\frac{\pi}{2}=-\frac{7\pi}{2} \end{gathered}[/tex]Therefore:
[tex]\begin{gathered} \cos (-\frac{7\pi}{2})=0 \\ and \\ \cos (\frac{3\pi}{2})=0 \\ so\colon \\ 0=0 \\ This_{\text{ }}is_{\text{ }}true \end{gathered}[/tex]Therefore, the statement is true
Twenty-five of 75 fifth-grade students went to a bake sale after school. Which fraction shows, in simplest form, the part of the class that did NOT go to the bake sale?
Answers
Answer:1/3
Step-by-step explanation:
25/75
25/25=1
75/25=3
Answer is 25/75=1/3
Write the first five terms of the geometric sequence with a1 = 16 and common ratio r= 3/2
Answers
From the problem, we need to find the first five terms of the geometric sequence.
The first term, a1 = 16 and the common ratio, r = 3/2
Note that the succeeding term is the previous term multiplied by the common ratio.
This will be :
[tex]\begin{gathered} a_2=a_1r=16(\frac{3}{2})=24 \\ a_3=a_2r=24(\frac{3}{2})=36_{} \\ a_4=a_3r=36(\frac{3}{2})=54 \\ a_5=a_4r=54(\frac{3}{2})=81 \end{gathered}[/tex]The geometric series is :
an = {16, 24, 36, 54, 81, ...}
The answer is B. an = {16, 24, 36, 54, ...}
The equation for line j can be written as y =
= -5/7x-10. Line k, which is parallel to line j,
includes the point (-9, 5). What is the equation of line k?
Answers
The equation of the line which is parallel to the other equation is;
[tex]y + \frac{5x}{7} +\frac{10}{7} =0[/tex].
What is the Relation between two Parallel Lines?
To determine whether two lines are parallel or not, apply the parallel line's formula. When we have the slope of two lines that we want to compare, the parallel line formula can be used. The separation between the parallel lines remains constant. Parallel lines are those that never cross each other. Since the two lines are equal in this situation and the angle is 180 degrees, they will never intersect.
In the given equation, we have:
The equation of the line is y = -5/7x-10.
and, Line k, which is parallel to the line of the equation :
[tex]y = \frac{-5x}{7} -10.[/tex]
[tex]y + \frac{5x}{7} +10. =0[/tex]
So, the equation of the line which is parallel to the line of the equation is:
[tex]y + \frac{5x}{7} +k. =0[/tex]
and since the two lines are parallels
So, the slope of equation 1 and the slope of equation two will be the same;
Also, It is given that the line includes the point (-9, 5).
So,
[tex]5 + \frac{5 \times -9}{7} +k. =0[/tex]
⇒[tex]k = -\frac{5 \times -9}{7} -5[/tex]
⇒[tex]k = \frac{10}{7}[/tex]
So, The equation of the line which is parallel to the other equation is;
[tex]y + \frac{5x}{7} +\frac{10}{7} =0[/tex].
Hence,
The equation of the line which is parallel to the other equation is;
[tex]y + \frac{5x}{7} +\frac{10}{7} =0[/tex]..
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Write an inequality for the graph below.
Answers
Answer: y < -4
Step-by-step explanation:
Answer the question below.
Answers
The formula that can be used to find the nth term of the sequence is aₙ = 4n + 1
How to find the formula of an arithmetic sequence?The sequence follows an arithmetic patterns. Therefore, the formula for arithmetic progression can be used to find the nth term as follows:
aₙ = a + (n - 1)d
where
n = number of termsd = common differencea = first termTherefore, using the sequence 5, 9, 13, 17, 21
a = 5
d = 9 - 5 = 4
Hence,
aₙ = 5 + (n - 1)4
aₙ = 5 + 4n -4
aₙ = 5 - 4 + 4n
Therefore,
aₙ = 4n + 1
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What is an equation of the line that passes through the points (-5, -7) and
(-5, 6)?
Answers
I believe it would be x = -5.
Hope this helps!
PLEASEEE HELP I REALLY NEED HELP ITS MENTAL MATH!!!!!!!!!!!!
Answers
Answer:
6y+12
Step-by-step explanation:
4(y+3)+2y
= 4y+12+2y
=6y+12
Answer:
[tex]\sf 6y+12[/tex]Step-by-step explanation:
[tex]\sf 4(y+3)+2y[/tex]
Expand (Distributive property):-
[tex]\sf 4y+12+2y[/tex]
Combine like terms:-
[tex]\sf 4y+2y+12[/tex]
[tex]\sf (4y+2y)=6y[/tex]
[tex]\sf 6y+12[/tex]
__________________
Hope this helps!
Have a great day! :)
Pls help i need this answered quickly
Tess builds a sandbox in the shape of a regular hexagon in which all the sides are 40 inches long. She then takes a photo of the sandbox and prints the photo. In the photo, the sides of the hexagon are each 4 inches long. Identify the scale factor that was used to create the printed photo of the sandbox. Express your answer as a decimal.
Answers
A scale factor of 0.1 was used to create the printed photo of the sandbox
How to find the scale factor used for the printed photo of the sandbox?A scale factor is the size by which a shape is enlarged or reduced. It is used in increasing or reducing the size of a 2D shape, such as circle, triangle, square, rectangle, hexagon, etc.
Given that: Tess builds a sandbox in the shape of a regular hexagon in which all the sides are 40 inches long, and in the photo, the sides of the hexagon are each 4 inches long
The scale factor will be:
4/40 = 1/10 = 0.1
This means the sandbox has been reduced by 10 times the original size
Therefore, the scale factor that was used to create the printed photo of the sandbox is 0.1
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Simplify 9/16 + 1/16 • (2_3)-1
Answers
In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data:
9/16 + 1/16 * (2/3)^(-1)
Step 02:
we must apply the algebraic rules to find the solution
[tex]\frac{9}{16}+\frac{1}{16}\cdot(\frac{2}{3})^{-1}=\frac{9}{16}+\frac{1}{16}\cdot\frac{3}{2}=\frac{9}{16}+\frac{3}{32}[/tex][tex]\frac{9\cdot2+3\cdot1}{32}=\frac{21}{32}[/tex]The answer is:
21 / 32
Choose the line parallel to the following equation through the given point
Answers
Answer:
y = 2x + 1
Step-by-step explanation:
→ Find the gradient of this line
2
→ Write in standard format
y = 2x + c
→ Substitute in ( 0 , 1 )
1 = 0 + c ⇒ c = 1
If given f(x) = –4x – 2 and g(x) = 2x ^2 + 4x-5, what is (f · g)(x)?
Answers
The addition of the given two functions f(x) = –4x – 2 and g(x) = 2x ^2 + 4x-5 will be (f · g)(x) = 2x²-9
What is a function?
A unique kind of relation called a function is one in which each input has precisely one output. In other words, the function produces exactly one value for each input value. The graphic above shows a relation rather than a function because one is mapped to two different values. The relation above would turn into a function, though, if one were instead mapped to a single value. Additionally, output values can be equal to input values.
The x-values are input into the function machine. The function machine then performs its operations and outputs the y-values. The function within can be any function.
Given f(x)= -4x-2
g(x)=2x²+4x-5
For (f-g)(x) = -4x-2+2x²+4x-5
=2x²-9
(f-g)(x) = 2x²-9
Hence, The addition of the given two functions will be (f · g)(x) = 2x²-9
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help in mathematics pls i am troubled
Answers
Answer:
It's very blurry, try sending one section at a time.
Step-by-step explanation:
What’s the answer asp
Answers
Answer:
Step-by-step explanation:
35
Solve this system of equations by graphing. First graph the equations, and then type the solution.x+y=13x+5y=15Click to select points on the graph.
Answers
Solution
For this case we have the following system of equations:
x + y= 1
3x + 5y= 15
We can create the following plot:
Then the solution for this case is:
x= -5
y= 6
A customer at a shipping store is planning to send a package and is considering two options. The customer can send a package for $3, plus an additional $2 per pound. The cost, y, can be represented by the equation y = 3 + 2x, where x represents the amount of pounds of the package. Another option is that the customer can pay a one-time fee of $17 to send the box, represented by the equation y = 17.
Based on the graph of the system of equations, when will the cost of the two shipping options be the same?
A package that weighs 10 pounds will cost $17 for both options.
A package that weighs 7 pounds will cost $17 for both options.
A package that weighs 17 pounds will cost $31 for both options.
A package that weighs 17pounds will cost $37 for both options.
Answers
The correct option is :
A package that weighs 7 pounds will cost $17 for both options.
What is an equation ?The declaration that shows that the provided variables exist is a mathematical equation. When describing the scenario in this circumstance, two or more factors are taken into account.
The equation can be used to symbolize the price, y: Y is equal to 3 plus 2 times the weight of the package, x.
Another choice is for the buyer to pay a one-time price of $17, which is represented by the equation y = 17, in order to send the package.
We'll compare the equation as a whole.
In this case,
3 + 2x = 17
Compile similar terms
2x = 17 - 3
2x = 14
x = 14 divided by 2x = 7
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is this relation a function? Justify your answer
Answers
Answer:A
Step-by-step explanation:
the mayor of a town believes that under 46% of the residents favor construction of an adjoining bridge. is there sufficient evidence at the 0.05 level to support the mayor's claim? after information is gathered from 190 voters and a hypothesis test is completed, the mayor fails to reject the null hypothesis at the 0.05 level. what is the conclusion regarding the mayor's claim?
Answers
Since the null hypothesis was not rejected, there is not enough evidence to conclude that under 46% of the residents favor construction of an adjoining bridge.
What is the relation between the decision and the conclusion?There are two decisions possible regarding the null hypothesis, as follows;
Reject the null hypothesis.Do not reject the null hypothesis.The hypothesis are given as follows:
Null hypothesis: proportion is not under 46%.Alternative hypothesis: proportion is under 46%.The null hypothesis was not rejected, meaning that the conclusion regarding the mayor's claim is that there is not enough evidence from the sample of 190 voters to conclude that the percentage is below 46%.
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There are 128 teams entered in a basketball tournament. Half of the teams are eliminated each round. How many teams are left after 4 rounds?
Answers
We have 128 teams.
In each round, half of the teams remain, so if T is the number of teams and n is the number of rounds, we have:
[tex]T(n)=0.5\cdot T(n-1)[/tex]and we start with n=0 so T(0)=128.
Then, we can use this recursive expression to find T after four rounds (n=4), but it is better if we derive an explicit formula for T in function of n (and not in function of the past terms of the sequence):
[tex]\begin{gathered} T(1)=0.5\cdot T(0) \\ T(2)=0.5\cdot T(1)=0.5\cdot0.5\cdot T(0)=0.5^2\cdot T(0) \\ T(n)=0.5^n\cdot T(0)=0.5^n\cdot128 \end{gathered}[/tex]With the last expression we can calculate T for any value of n. Then, for n=4, we have:
[tex]T(4)=0.5^4\cdot128=(\frac{1}{2})^4\cdot128=\frac{1}{2^4}\cdot128=\frac{1}{16}\cdot128=8[/tex]NOTE: in this case, its better to express the factor 0.5 as a fraction instead of a decimal.
Answer: after 4 rounds there will be 8 teams left.
compare -2/5 and -0.3 -2/5 = /10 and -0.3 = /10. -4 is ? , so -2/5 ? than -0.3
Answers
-4 is less than -3
so:
[tex]\frac{-2}{5}\text{ is less than }-0.3[/tex]A towns population is 53,350 about 100 people move out of the town each month 200 people on average move into town. A nearby town has a population of 56,375.It has no one moving in and an average of 175 people moving away every month in about how many months will be population of the town be EQUAL?
Answers
11
this is just words because it doesn't let me submit this with just the answer
Complete the statements by writing the number from the graph.
The substance is in the gas phase only in region _.
The substance is in both the liquid and the solid phase in region _.
The substance is in only the liquid phase in region _.
The melting point is the temperature at region _.
The boiling point is the temperature at region _.
Answers
A. The substance is in the gas phase only in region 5.
B. The substance is in both the liquid and the solid phase in region 2.
C. The substance is in only the liquid phase in region 3.
D. The melting point is the temperature at region 2.
E. The boiling point is the temperature at region 4.
What is meant by the term temperature?Temperature is a measure of how hot or cold something is conveyed in terms of one of several scales, such as Fahrenheit and Celsius.For the given question, the correct depiction of the expressions are is;
Melting or fusion is a process wherein the phase transitions from solid to liquid at a constant temperature.Freezing is a process wherein the phase transitions from liquid to solid at a constant temperature.Evaporation is a process where the phase transitions from liquid to gaseous at a constant temperature.Condensation is a process where the phase transitions from gaseous to liquid at a constant temperature.Sublimation is a process during which the phase transitions from solid to gaseous without passing through a liquid state at a constant temperature.Thus, the result for the graph will be-
A. The substance is in the gas phase only in region 5.
B. The substance is in both the liquid and the solid phase in region 2.
C. The substance is in only the liquid phase in region 3.
D. The melting point is the temperature at region 2.
E. The boiling point is the temperature at region 4.
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Answer:
A. The substance is in the gas phase only in region 5.
B. The substance is in both the liquid and the solid phase in Region 2.
C. The substance is in only the liquid phase in region 3.
D. The melting point is the temperature at region 2.
E. The boiling point is the temperature at region 4.
Step-by-step explanation:
What is the solution to this equation?
−15(x+134)=−212
Responses
x=2114
x equals 21 and 1 over 4
x=1414
x equals 14 and 1 over 4
x=1034
x equals 10 and 3 over 4
x=334
Answers
Answer: 10 3\4
Step-by-step explanation:
I did the quiz
True or False? Every quadrilateral is a rhombus. Every parallelogram is a quadrilateral. Every square is a quadrilateral. Every rhombus with four right angles is a square. X Ś True False O True False O True False True False ?
Answers
First of all it's important to note that all parallelograms, rhombuses and squares are quadrilateral and they meet the following properties:
- Rhombus: quadrilateral whose four sides have the same length.
- Parallelogram: quadrilateral that has two pairs of parallel sides.
- Square: quadrilateral whose four sides and internal angles have the same length/measure.
With these definitions in mind we can solve the True or False table in the picture.
The first statement is false not every quadrilateral is a rhombus. For example rectangles that are not squares are not rhombuses since their four sides aren't all equal.
The second is true, as we saw before parallelograms are quadrilaterals. The same reason applies to the third statement, squares are qudrilaterals.
Now let's see the last statement. A rhombus with four right angles is a quadrilateral that has four equal sides (because it's a rhombus) and four equal angles (all measuring 90°). These are the conditions required for a quadrilateral to be considered a square so this last statement is true.
AnswersThen the answers are:
F
Area of the base of a rectangular box is 205 cm² and its height is 3 cm. Find the volume of the box
Answers
Answer:
V= 615 cm³
Step-by-step explanation:
the volume (V) of a rectangular box is calculated as
V = Ah ( A is the area of the base and h the height ) , then
V = 205 × 3 = 615 cm³
Answer:
Step-by-step explanation: In order to find the volume of box, we need to know the formula
The formula is
volume= LxBxH where L=length, B= breadth and H= height
SO, area= L x B
we can say,
Volume= area x height= 205 x 3= 615 cm^3
Hence, the volume of the box= 615 cm^3
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Where is the center of dilation located?
inside figure A
outside figure A
on a vertex of figure A
B
A
Answers
The center of dilation is outside figure A
In this question, rectangle A is dilated to rectangle B.
We know that, the center of a dilation is nothing but a fixed point about which all points are expanded or contracted.
We can observe that B = 1/2 * A
This means, the scaling factor is k = 1/2
Let's determine the center of dilation:
P'(x, y) = O(x, y) + k · [P(x, y) - O(x, y)]
Where:
O(x, y) - Center of dilation.
k - Scale factor
P(x, y) - Original point
P'(x, y) - Resulting point
(3, 1) = O(x, y) + 1/2 [(6, 2) - O(x, y)]
(3, 1) = O(x, y) - 1/2 O(x, y) + (3, 1)
1/2O(x, y) = (0, 0)
so, the center of dilation is the origin (0, 0)
So, in this case the center of dilation is outside figure A.
Therefore, the center of dilation is outside figure A
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What is 106/200 written as a decimal
Answers
Answer:
0.53
Step-by-step explanation:
you just take 106 and divide it by 200
It is possible for 2 lines to
intersect in such a way
that 3 of the angles
formed have measures 20,
70, and 20.?
Sometimes true,
Never true,
Always true.
Answers
Answer:
sometimes true
Step-by-step explanation:
Given, two straight lines intersect each other in such a way that one of the angles formed measure 90°.
We know that, lines which intersect to form a right angle are known as perpendicular lines
In the above figure , AB is perpendicular to CD
Considering ∠AOC=90°
Now,
∠AOC+∠AOD=180° [Linear pair]
90°+∠AOD=180°
∠AOD=90°
Similarly,
∠AOC+∠BOC=180° and ∠BOD+∠AOD=180° [Both making linear pair]
So, we get ∠BOC=90° and ∠BOD=90°
Hence, ∠AOC=∠AOD=∠BOC=∠BOD=90°
Question 1(Multiple Choice Worth 2 points)
(Converting Between Systems MC)
I need help pleaseeee
For a craft project you need 182 inches of ribbon, but it is only sold by the meter. Determine the amount of ribbon, in meters, you need to buy for the project. (1 inch = 2.54 centimeters and 1 centimeter = 0.01 meter)
462
47
12
5
Answers
The amount of ribbon needed to buy for the project in meters is (d) 5.
According to question,
1 centimeter = 0.01 meter
2.54 centimeter = 0.01*2.54
= 0.0254 meters
1 inches = 2.54 centimeters
= 0.0254 meters
Amount of ribbon needed for project = 182 inches
= 182 * 0.0254 meters
= 4.62 meters
≅ 5 meters
Hence, 5 meters of ribbon is needed for the project.
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An electrician leans an extension ladder against the outside wall of a house so that it
reaches an electric box 27 feet up. The ladder makes an angle of 62° with the ground.
Find the length of the ladder. Round your answer to the nearest tenth of a foot if
necessary?
Answers
Answer: 59.5 ft
Step-by-step explanation:
When the ladder lay on the wall it makes a triangle. And for this equation, we have to use the sin to find the length.
Sin = opposite / hypotenuse
Sin 62 = 27 / h
27 / 0.4539
h= 59.48
h=59.5 feet
Answer:
30.6
Step-by-step explanation:
I AM HIM