SOLUTION: Let f(x) = x + 8 and g(x) = x2 - 6x - 7. Find f(g(2)) My lesson doesn't tell me how to solve this question, please help...

Algebra ->  Functions -> SOLUTION: Let f(x) = x + 8 and g(x) = x2 - 6x - 7. Find f(g(2)) My lesson doesn't tell me how to solve this question, please help...       Log On


   

Question 899071: Let f(x) = x + 8 and g(x) = x2 - 6x - 7. Find f(g(2))
My lesson doesn't tell me how to solve this question, please help...
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Find g(2) first...

g(x) = x2 - 6x - 7.

g(2) = 4-12-7 = -15

f(-15) = -15 + 8 = -7