I think you're doing it wrong, because I am not getting those answers. I got answer choices.
Neil -- for heaven's sakes! If you have answer choices, please post them along with your problem!
1. Let f(x)= x^2 - 5 and g(x)= 3x^2. Find g(f(x)).
A. 3x^4 - 30x^2 + 75
B. -3x^4 - 15
D. -3x^4 - 4
2. Let f(x)= x^2 - 4 and g(x)= -3x^2. Find f(g(x)).
F. -3x^4 + 12
G. -3x^4 + 24x^2 - 48
H. 9x^4 - 4
I. -3x^4 - 4
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