Posted by Taylor on .
Find (fog)(2)
f(x)=Squareroot 4x; g(x)=13x^2
Find (gof)(2) for the same problem.

Math 
Reiny,
(fog)2 = f(f(2))
g(2) = 1  12 = 11
f(g(2) = f(11) = √(4 (11)) = √15
do the second one in the same way