Question 977735
 g(x) = -15x^2 + 14x - 10 
 find g(g(7))
================
To find g(7), sub 7 for each x.
g(7) = -15*49 + 14*7 - 10 = -647
----------------
g(g(7)) = g(-647)
Sub -647 for each x in g(x)