posted by Rob .
Given f(x)=2x^3-7 find f^-1(x) and then find f^-1(-2)
I though that this meant inverse function.
so this meant f^-1(-2) = 1.35721
The professor posted the answer as being 6. I'm not sure if I misunderstood the question or if I'm completely off in my answer.
It looks correct to me