Question

Jake earns $7.50 per hour working at a local car wash. The function, ƒ(x) = 7.50x, relates the amount Jake earns to the number of hours he works. Write the inverse of this relation.

Answer 1

Solve for "x" in terms of "y".
So, you have

y = 7.50x

now its

x=7.50y
Solve for y
it's easy.