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kati45 [8]
2 years ago
13

If y = 5x − 3, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

Mathematics
2 answers:
marishachu [46]2 years ago
4 0

Answer:

{(-1, -8), (0, -3), (3, 12)}

Step-by-step explanation:

we have

y=5x-3

we know that

If a set of ordered pairs represent possible inputs and outputs of the function

then

All ordered pairs of the set must be satisfy the function

<u>case A)</u>  {(2, 5), (-3, -12), (-4, -18)}

Substitute the value of x and y of each point in the function

Point 1 (2, 5)

5=5(2)-3

5=7 -------> is not true

The set of case A does not represent possible inputs and outputs of the function

<u>case B)</u>  {(-1, -8), (0, -3), (3, 12)}

Substitute the value of x and y of each point in the function

Point 1 (-1, -8)

-8=5(-1)-3

-8=-8 -------> is true

Point 2 (0, -3)

-3=5(0)-3

-3=-3 -------> is true

Point 3 (3, 12)

12=5(3)-3

12=12 -------> is true

The set of case B  represents possible inputs and outputs of the function

<u>case C)</u>  {(1, 4), (7, 25), (3, 10)}

Substitute the value of x and y of each point in the function

Point 1 (1,4)

4=5(1)-3

4=2 -------> is not true

The set of case C does not represent possible inputs and outputs of the function

<u>case D)</u>  {(5, 20), (6, 12), (1, 9)}

Substitute the value of x and y of each point in the function

Point 1 (5,20)

20=5(5)-3

20=22 -------> is not true

The set of case D does not represent possible inputs and outputs of the function

elena55 [62]2 years ago
4 0
Row 2 "{(-1, -8), (0, -3), (3, 12)}"
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