Question

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

Answer 1

D. 3x² - x - 6

Explanation:

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

We know that (f - g)(x) = f(x) - g(x)

Then

(f - g)(x) = (3x² - 4) - (x+2)

= 3x² - 4 - x - 2

= 3x² - x - 4 - 2

= 3x² - x - 6