Question

Given f(x) = 5x - 3

a. Find f(-4). Show your work.



b. Find x when f(x) = 25. Show your work.

Answer 1

a. -23

Explanation:

a.

put -4 where x is

5x - 3

5(-4) - 3

-20 -3

-23

b.

5x - 3 = 25