# Math Help - are these 2 functions inverse of each other?

1. ## are these 2 functions inverse of each other?

Yes right?

2. Originally Posted by rj2001
Yes right?

--Chris

3. so i switched x and y
- 12
then?

something with cubing

4. Originally Posted by rj2001
so i switched x and y
- 12
then?

something with cubing
To make y the subject you cube root both sides.

5. x-12^1/3=y so this is the answer?

6. This graph shows that they are inverses:

The blue and cyan graphs are inverses of each other, since they reflect each other across the green graph $y=x$.

--Chris

7. Originally Posted by rj2001
(x-12)^1/3=y so this is the answer?
Now its correct!

Parenthesis are needed!

--Chris