SOLUTION: Let f(x) = √(x+5) and g(x) = x ^2 – 1. Find (f °g)(x) and (g °f)(x).

Algebra ->  Average -> SOLUTION: Let f(x) = √(x+5) and g(x) = x ^2 – 1. Find (f °g)(x) and (g °f)(x).      Log On


   

Question 1115771: Let f(x) = √(x+5) and g(x) = x ^2 – 1. Find (f °g)(x) and (g °f)(x).
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Let f(x) = √(x+5) and g(x) = x ^2 – 1. Find (f °g)(x) and (g °f)(x).

f%28g%28x%29%29+=+f%28x%5E2-1%29+=+sqrt%28%28x%5E2-1%29%2B5%29+=+sqrt%28x%5E2%2B4%29

g%28f%28x%29%29+=+g%28sqrt%28x%2B5%29%29+=+%28sqrt%28x%2B5%29%29%5E2-1+=+x%2B5-1+=+x%2B4