SOLUTION: (8) f(x) = -8x -5x^2 + 6; Find f(-10) (9) f(x) = 11x^2 + 12x - 12; g(x) = 12x^2 - 11x + 11; Find g(f(3))

Algebra ->  Functions -> SOLUTION: (8) f(x) = -8x -5x^2 + 6; Find f(-10) (9) f(x) = 11x^2 + 12x - 12; g(x) = 12x^2 - 11x + 11; Find g(f(3))      Log On


   

Question 1198288: (8) f(x) = -8x -5x^2 + 6; Find f(-10)




(9) f(x) = 11x^2 + 12x - 12; g(x) = 12x^2 - 11x + 11; Find g(f(3))
Found 2 solutions by josgarithmetic, ewatrrr:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Only helping.

#8:
Simple substitution, and evaluate.

#9:
f(3) is used as input for g(x).
f%283%29=11%2A3%5E2%2B12%2A3-12
f%283%29=99%2B36-12
f%283%29=99%2B24
f%283%29=123
Next part, the use of a calculator might be comfortable to do.
g%28123%29=12%2A123%5E2-11%2A123%2B11
Compute this.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(8) f(x) = -8x -5x^2 + 6; Find f(-10) = 414
Using Graphing Program FREE download... www.padowan.dk
.