Question

Let f(x)=5x-13 what ordered pair in f corresponds to the equation f(x)=7 ? Recall y=f(x).

Answer 1

(4,7)

Explanation:

f(x)=5x-13

Let this equal to 7

7=5x-13

Add 13 to each side

7+13 = 5x-13+13

20 = 5x

Divide by 5

20/5 = 5x/5

4 =x

The ordered pair is

(4,7)