Question

F(x) = x2 +1
g(x) = 5 – x
(f + g)(x) =

Answer 1

x² - x + 6

Explanation:

note (f + g)(x) = f(x) + g(x)

f(x) + g(x)

= x² + 1 + 5 - x ← collect like terms

= x² - x + 6