Question

If f(x) = 4x2 + 1 and g(x) = x2 –

5, find (f + g)(x).

A. 5x2 – 6
B. 3x2 + 6
C. 3x2 – 4
D. 5x2 – 4

Answer 1

5x2 – 4 is the answer so D would be correct

Explanation:

Answer 2

(f+g)(x) = 4x^2+1+x^2-5 = 5x^2-4 l, so D.