Answer:
A
Explanation:
F(x) = 4x^2 + 1
G(x) = x^2 - 5
(F-G)(x) = (4x^2+1 - x^2-5)
collect like terms
(F-G)(x) = (4x^2-x^2 + 1-5)
= (3x^2 - 4)
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