Question

Find f(a), f(a + h), and the difference quotient f(a + h) − f(a) h , where h ≠ 0.

f(x) = 2 − 4x

Answer 1

-4

Explanation:

(f(a+h)-f(a))/h=(2-4(a+h)-2+4a))/h=-4h/h=-4