SOLUTION: Use f(x) =2x+4 and g(x)= x^2-1 to evaluate the expression g(f(2)) I need some help, I'm reviewing for a test, and I need help going over this problem. Thanks.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Use f(x) =2x+4 and g(x)= x^2-1 to evaluate the expression g(f(2)) I need some help, I'm reviewing for a test, and I need help going over this problem. Thanks.      Log On


   

Question 830936: Use f(x) =2x+4 and g(x)= x^2-1 to evaluate the expression g(f(2))
I need some help, I'm reviewing for a test, and I need help going over this problem. Thanks.
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
first evaluate f(2)
f(2) = 2*2 +4 = 8
now evaluate
g(f(2)) as
g(8) = 8^2 -1 = 64 -1 = 63