Question

Find f-2) for fx) = 3 • 2х
A. -36
в. 1/36
с. -12
d. 3/4

Answer 1

C. -12

Explanation:

`f(-2)\to\text{substitute}\ x=-2\ \text{into}\ f(x)=3\cdot2x:\\\\f(-2)=3\cdot2(-2)=3\cdot(-4)=-12`