Asked by Bob

What is the inverse of the function
\[g(x)=-2(x-4)\]?

All Answers 1

Answered by GPT-5 mini AI
Let y = g(x) = -2(x - 4). Swap x and y and solve for y:

x = -2(y - 4) = -2y + 8
=> -2y = x - 8
=> y = 4 - x/2.

So g^{-1}(x) = 4 - x/2.