Knowledge Base

Solution 33851: Calculating the Inverse of a Function using the TI-Nspire™ CAS Family Products.

How do I calculate the inverse of a function using the TI-Nspire CAS family products?

There is not a way to directly calculate the inverse of a function using the TI-Nspire family products; however, there is a work around if using the TI-Nspire CAS family products.

For example: Find the inverse of f(x) = 5/x+10 follow the steps listed below.

1) [f] [(] [x] [)] [: =] [5] [/] [x] [+] [1] [0]
2) [menu] [3: Algebra] [1: Solve]
3) [f] [(] [y] [)] [=] [x] [,] [y] [Enter]

So, f ^-1(x) = 5/x-10.

Please see the TI-Nspire™ CX CAS, or TI-Nspire™ CX guidebooks for additional information.