SOLUTION: f(x)=sqrt(x+3)and g(x)=4x^2-3, then find f[g(x)].

Algebra ->  Functions -> SOLUTION: f(x)=sqrt(x+3)and g(x)=4x^2-3, then find f[g(x)].      Log On


   

Question 476085: f(x)=sqrt(x+3)and g(x)=4x^2-3, then find f[g(x)].
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=sqrt%28x%2B3%29 and g%28x%29=4x%5E2-3, then
f%28g%28x%29%29=sqrt%28g%28x%29%2B3%29=sqrt%284x%5E2-3%2B3%29=sqrt%284x%5E2%29=2abs%28x%29.