Respuesta :

This is easy -- it's just a list of steps.  At this level, the problems are pretty simple.

Let's just do one, then I'll write out the list of steps for you.

Find the inverse of

STEP 1:  Stick a "y" in for the "f(x)" guy:

STEP 2:  Switch the x and y
                    ( because every (x, y) has a (y, x) partner! ):

STEP 3:  Solve for y:

STEP 4:  Stick in the inverse notation,