Question

For the functions f(x)=4x^2 and g(x)=-7x^2, find (f-g)(x) and (f-g)(0)

Answer 1

Hello,

(f-g)(x) = 11 x²

(f-g)(0) = 0

Explanation:

(f-g)(x) = 4 x² - ( -7 x²) = 4 x² + 7 x² = 11 x²

(f-g)(0) = 11 (0)² = 0