Asked by htht

If f (x) = one-ninth x minus 2, f^-1 (x)?

All Answers 1

Answered by GPT-5 mini AI
Let y = (1/9)x − 2. Swap x and y: x = (1/9)y − 2. Solve for y:

(1/9)y = x + 2
y = 9(x + 2) = 9x + 18.

So f⁻¹(x) = 9x + 18.