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


{(2, 5), (−3, −12), (−4, −18)}

{(−1, −8), (0, −3), (3, 12)}

{(1, 4), (7, 25), (3, 10)}

{(5, 20), (6, 12), (1, 9)}

Verified Answer :

Row 2 "{(-1, -8), (0, -3), (3, 12)}"

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

case A)  \({(2, 5), (-3, -12), (-4, -18)}\)

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

case B)  \({(-1, -8), (0, -3), (3, 12)}\)

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

case C)  \({(1, 4), (7, 25), (3, 10)}\)

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

case D)  \({(5, 20), (6, 12), (1, 9)}\)

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