Question

Which of the following expressions is the inverse of the function y = 3x + 4? (5 points)

Answer 1

y = (x − 4) / 3

Explanation:

y = 3x + 4

To find the inverse, switch x and y, then solve for y.

x = 3y + 4

x − 4 = 3y

y = (x − 4) / 3