Question

Question 3 of 10

If f(x) = -3 and g(x) = 4x² + x − 4, find (f+ g)(x).
A. 4ײ +-x-1
B. 6x²-7
C. 4x²+x-7
OD. 4x²+x-1
423

Answer 1

C

Explanation:

(f + g)(x)

= f(x) + g(x)

= - 3 + 4x² + x - 4 ← collect like terms

= 4x² + x - 7