Question

If f(x) = 2x – 5 and g(x) = x2 – 4x – 8, find (f + g)(x)

Answer 1

x^2 -2x -13

Explanation:

f(x) = 2x – 5

g(x) = x^2 – 4x – 8

(f + g)(x) = 2x – 5 + x^2 – 4x – 8

Combine like terms

=x^2 -2x -13