SOLUTION: please help solve let f(x)= x^2-9, g(x)=2x , and h(x)=x-3 solve: (g+H)(-10)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: please help solve let f(x)= x^2-9, g(x)=2x , and h(x)=x-3 solve: (g+H)(-10)      Log On


   

Question 61097: please help solve
let f(x)= x^2-9, g(x)=2x , and h(x)=x-3
solve: (g+H)(-10)
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
g(x)=2x plus h(x)=x-3
(2x)+(x-3) [add the two functions together]
3x-3 [substitute -10 for x]
(g+H)(-10)
3(-10)-3
-30-3
-33