Question

If f(x) = 2x^2 + 3 and g(x) = x^2 - 7, find (f - g)(x)

Answer 1

Answer: (f - g)(x) = x^2+10

Work Shown

(f - g)(x) = f(x) - g(x)

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

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

(f - g)(x) = x^2+10