Question

SOMEONE HELP!!!!!

Given the function r(x) = 5x − 4, find each value.
1. r(2) =

2. r(8) =

3. For what value of x is r(x) = −16?

Answer 1

-16 or -12/5 is the answer to this

Answer 2

1. 6
2. 36
3. -2.4
hope this helps