SOLUTION: Can someone please help me with this problem. Thank you f(x)=x²+7 and g(x)=√x-2 and find (g0f)(x) Thanks again

Algebra ->  Functions -> SOLUTION: Can someone please help me with this problem. Thank you f(x)=x²+7 and g(x)=√x-2 and find (g0f)(x) Thanks again      Log On


   

Question 1016397: Can someone please help me with this problem. Thank you
f(x)=x²+7 and g(x)=√x-2 and find (g0f)(x)
Thanks again
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
(g o f)(x) means g(f(x))...
Here that means
g(f(x)) = g(x^2 + 7) = sqrt(x^2 + 7 - 2) =
sqrt(x^2 + 5)