SOLUTION: HELP PLEASE! I for some reason can not understand how to figure out this problem. It says " Let f(x)=x^2-9, g(x)=2x The problem is (f+g)(3) I know I just substitute but

Algebra ->  Test -> SOLUTION: HELP PLEASE! I for some reason can not understand how to figure out this problem. It says " Let f(x)=x^2-9, g(x)=2x The problem is (f+g)(3) I know I just substitute but       Log On


   



Question 884881: HELP PLEASE!
I for some reason can not understand how to figure out this problem.
It says " Let f(x)=x^2-9, g(x)=2x
The problem is (f+g)(3)
I know I just substitute but I keep getting it wrong. Hopefully someone can show me how to set up the problem. Thanks

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What are you doing, and what do you get?