What is the inverse of the function y = 2x + 3?

Question

asked Aug 14, 2022 56.1k views

2 Answers

Cww · Answer 1 · 2022-08-15T08:14:22+0000

Answer:

y = x/2 - 3/2

Explanation:

First, get x on its own:

Subtract 3 from each side

y - 3 = 2x

Divide through by 2

y/2 - 3/2 = x

or x = y/2 - 3/2

Now simply switch labels: x↔y

y = x/2 - 3/2