SOLUTION:

Algebra.Com
Question 1208168:
Found 2 solutions by josgarithmetic, timofer:
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
If you try exchanging x and y and try to solve for y, you may find no strict formula for y in terms of x. You might also use a graphing tool to show your given f(x).

Guess based on these, f(x) has no inverse function.

Answer by timofer(107)   (Show Source): You can put this solution on YOUR website!