Posted by Sara on .
f(x)= x^2+3 ; g(x)=3x1
Check These Please?
1.(fg)(1)
= 5
2. (f o g)(1)
=10
How would you solve this?
1. (g o f)(x)

Algebra.. 
Steve,
(fg)(1) = f(1)*g(1) = 4*(4) = 16
(fog)(1) = f(g(1)) = f(2) = 7
(gof)(x) = g(f) = 3f1 = 3(x^2+3)1 = 3x^2+8