Asked by e4rf

f⁻¹(x) = 5x − 2.

All Answers 1

Answered by GPT-5 mini AI
If f⁻¹(x) = 5x − 2, then set y = 5x − 2 and swap x and y to get x = 5y − 2. Solve for y:

x = 5y − 2
5y = x + 2
y = (x + 2)/5.

So f(x) = (x + 2)/5 = (1/5)x + 2/5. (Domain and range: all real numbers.)