Question

If f(x) = x/2-3 and g(x) = 4x2 + x - 4, find (f+ g)(x).

Answer 1

Answer:

(f+g)(x) = 4 x^2 + (3/2) x - 7

Answer (c) on your list

Step-by-step explanation:

f+g (x) = f(x) + g(x) = x/2 - 3 + 4 x^2 + x - 4

combine the terms in "x" = x/2 + x = (3/2)x

combine the numerical terms: - 3 - 4 = - 7

Then the final expression is:

(f+g)(x) = 4 x^2 + (3/2) x - 7