Question

F (x) = 5x + 4. Find the inverse of f(x).

Answer 1

(1/5)x - 4/5 = y

Explanation:

y = 5x + 4 Switch the x and y around and solve for y.

x = 5y + 4

x - 4 = 5y

(1/5)x - 4/5 = y