Question

For the following problems, use f(x) = x^2 + 8; g(x) = 4x; h(x) = 5x – 3;

(f + h)(x) =

(g – h)(x) =

(f + g)(3) =

(f ∘ g)(–2) =

Answer 1

just add or subtract, using the function definitions given. I'll do

(f∘g)(–2) = f(g(-2)) = f(-8) = 72

Now you try the others...