Question

Given the function r(x)= v5x -3.5, find the value.

For what value of x is r(x)= -21?

Answer 1

Explanation:

r (x)=5x-3.5 r(x)=-21

-21=5x-3.5 add 3.5 on both

-17.5=5x divided 5 on both sides. x=-3.5.

Answer 2

45

Explanation:

hope this helps you out!