Question

F(x)=x² – 4x – 2
g(x)=x+7
Find: (f + g)(x)

Answer 1

(f + g)(x) = x² - 3x + 5

Explanation:

Here we find the sum of two functions. Combine like terms in f and g, as follows:

(f + g)(x) = x² – 4x – 2 + x + 7, or

(f + g)(x) = x² - 3x + 5