February 24, 2017

Homework Help: precalc

Posted by ANON on Sunday, September 30, 2012 at 2:09pm.

f(x)=2+4x-x^2 when x is less than 2

thus f-1(x)=2-sqrt(-x+6)

i need to show that f(f-1(x))=x, but i keep getting negative x...any help

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions