Question

Solve for f(-2).
f(x) = 2x - 4.
f(-2) = [?]

Answer 1

f(-2)=-8

Explanation:

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

F(-2)=-4-4

f(-2)=-8

Answer 2

f(-2) =-8

Explanation:

f(x) = 2x - 4.

Let x=-2

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

f(-2) = -4-4

f(-2) =-8