For f(x)=4x+1 and g(x) = x2-5, find (f+g)(x)
A. x2+4x-4 B. x2+4x+6 C. 4x2-19 D. 4x3-4
1 answer:
Answer:
A
Step-by-step explanation:
(f + g)(x) = f(x) + g(x) , thus
f(x) + g(x)
= 4x + 1 + x² - 5 ← collect like terms
= x² + 4x - 4 → A
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