I was just wondering if the inverse of f(x)=x^2 would include both positive and negative arms of the square root of x. So would the inverse be plus/minus? or just the positive arm.
And say I'm working backwards from the function: positive square root of x (just the positive arm). If I were to solve for the inverse of that, would it include both arms of the parabola x^2? Or just the right arm?
I ask this because I thought the domains and range of the original and inverse function are suppose to switch with one another. And this would only be true if I am with this..
Just need confirmation. Thanks!!