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Mazyrski [523]
4 years ago
12

Is the following relation a function? {(0.3, 0.6), (0.4, 0.8), (0.3, 0.7), (0.5, 0.5)}

Mathematics
1 answer:
Readme [11.4K]4 years ago
7 0

Answer:

no

Step-by-step explanation:

To be a function, the x values must correspond to one and only one y value.

In the coordinates given, (0.3, 0.6) and (0.3, 0.7) have the same x- value.

That means that they cannot be a function.

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mark has a board that is 12 feet long. he cuts the board into 8 pieces that are the same lenghth. how long is each piece?
Anna71 [15]
(12 ft) / 8 = 1.5 ft = 1 foot 6 inches
3 0
4 years ago
Passes through ( 4, 2), parallel to y = x + 5
Hoochie [10]

Answer:

y = x - 2

Step-by-step explanation:

You can subtract 4 from the x and y to get where the y-intercept would be.

8 0
3 years ago
Read 2 more answers
A construction company uses the function f(p) where p is the number of people working on a project to model the amount of money
Jlenok [28]

Answer:

Domain of f(p) =  [0,∞), where it belongs to whole numbers only

Step-by-step explanation:

The domain is the set of all possible values of independent variable for which function is defined

As in the given function f(p), we have the independent variable p. As p is the number of people working on the project, so it means either the number of people could be 0 or it could be anything greater than 0,  like it could be equal to thousand or ten thousand, but it can not be fraction in any case.

So, the domain is set of whole numbers starting from 0.

Domain of f(p) = [0,∞)  


5 0
3 years ago
Read 2 more answers
If A = (-2, -4) and B = (-8, 4), what is the length of AB?
svetoff [14.1K]

Answer: OPTION D

Step-by-step explanation:

To solve this exercise you must use the formula for calculate the distance  between two points, which is shown below:

d_{(A,B)}=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Now, you must substitute the points given in the problem into the formula:

A(-2,-4)

B(-8,4)

d_{(A,B)}=\sqrt{(-8-(-2))^2+(4-(-4))^2}

Then, the result is:

d_{(A,B)}=10units

5 0
3 years ago
Read 2 more answers
Plz save me I need help as sonic
Rzqust [24]

Answer:

1.Yes

2.Yes

3.No

4.No

5.Yes

Step-by-step explanation:

Just plug in the values of x and y for each set of coordinates.

Example from the first one

4x=y

4(5)=20

20=20 True

make sure all are valid by plugging in the next set of coordinates

4(6)=24

24=24 True

4(7)=28

28=28 True

and so forth with each equation plug in the coordinates

3 0
3 years ago
Read 2 more answers
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