SOLUTION: 14. f(x) = 13x - 10 g(x) = -12x^3 + 11x^2 - 12x - 11 find f(g(3))

Algebra ->  Functions -> SOLUTION: 14. f(x) = 13x - 10 g(x) = -12x^3 + 11x^2 - 12x - 11 find f(g(3))      Log On


   

Question 50609: 14. f(x) = 13x - 10
g(x) = -12x^3 + 11x^2 - 12x - 11
find f(g(3))
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
14. f(x) = 13x - 10
g(x) = -12x^3 + 11x^2 - 12x - 11
find f(g(3))
--------------
Work it from right to left as follows:
g(3)= -12(3^3)+11(3^2)-12(3)-11
=-272
Then:
f(-272)=-13(-272)-10
=3526
Cheers,
Stan H.