Question

If f(x) = 4x^2 and g(x) = x + 1, find (f - g) (x)

Answer 1

4x² - x - 1

Explanation:

(f - g)(x) = f(x) - g(x) , thus

f(x) - g(x)

= 4x² - (x + 1) ← distribute parenthesis by - 1

= 4x² - x - 1