SOLUTION: I am really not understanding how to work this problem f(x) = 15x - 12 g(x) = -15x2 + 14x - 10 find g(g(7)) Any help would be greatly appreciated!!!

Algebra.Com
Question 347110: I am really not understanding how to work this problem
f(x) = 15x - 12
g(x) = -15x2 + 14x - 10
find g(g(7))
Any help would be greatly appreciated!!!

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
f(x) = 15x - 12
g(x) = -15x2 + 14x - 10
find g(g(7))
------
g[g(7)] = g[-15*7^2+14*7-10]
= g[-647]
= -15(-647)^2+14*(-647)-10
= -6,288,203
======================
Cheers,
Stan H.
==========

RELATED QUESTIONS

I dont know how to get these? I only know f(x) 's? help me please! f(x) = 15x - 12 (answered by MathLover1)
State the domain and range: 7. y = x2 + 86 8. y = 2x3 + 8 9. y =... (answered by lynnlo)
f(x) = 15x - 12 g(x) = -15x^2 + 14x - 10 find g(g(7)) A. -6288203 B. 6543... (answered by Cromlix,Alan3354)
Calculate the indicated value. Remember to show your work. (7) f(x) = 7x - 27x^2 - 7; (answered by Alan3354)
13. f(x) = -13x2 - 7x4 - 11x find f(5) A. 538 B. -6288203 C. 639 D. -4595 E. (answered by math_tutor2020,josgarithmetic)
i am stuck on this problem f(x)=-3x-20 and g(x)=8x-4, find (f-g)(b) any help would... (answered by ewatrrr)
f(x)=x^2+x-3 and g(x)=9x+9. Find g(-1) and f(g(-1)) This what I have so far... (answered by josmiceli)
I need help, I am so lost on this. I need to find f+g, f-g, f.g and f/g Problem #7 (answered by Alan3354)
I'm having lots of trouble with this problem! Anyone who can help it would be great!... (answered by Alan3354)