Question

Given f(x) = 2x – 6, find f( – 4).

Answer 1

The answer is -14

Explanation:

f(-4) = 2(-4) - 6

= -8 - 6

= -14

Answer 2

f(-4) = -14

Explanation:

f(x) = 2x – 6

Let x = -4

f(-4) = 2*-4 -6

f(-4) = -8-6

f(-4) = -14