SOLUTION: It has been awhile since I had to work with functions and I have been attempting these all night. Could you please help me... Any help would be appreciated. Let f(x)=x^2+2x-2 a

Algebra ->  Functions -> SOLUTION: It has been awhile since I had to work with functions and I have been attempting these all night. Could you please help me... Any help would be appreciated. Let f(x)=x^2+2x-2 a      Log On


   

Question 486697: It has been awhile since I had to work with functions and I have been attempting these all night. Could you please help me... Any help would be appreciated.
Let f(x)=x^2+2x-2 and g(x)=2-3x. Find the following:
a) f(-1) b) g(-3) c) f(a+2)
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
Let f%28x%29=x%5E2%2B2x-2 and g%28x%29=2-3x
a) f%28-1%29=%28-1%29%5E2%2B2%2A%28-1%29-2=1-2-2=-3
b) g%28-3%29=2-3%2A%28-3%29=2%2B9=11
c) f%28a%2B2%29=%28a%2B2%29%5E2%2B2%2A%28a%2B2%29-2=a%5E2%2B4a%2B4%2B2a%2B4-2=a%5E2%2B6a%2B6