Question

Grade 10 Math, I need help fast!

Given the function f(x) = 2x. What is the value of f(-3)?
A. -6
B. 8
C. -8
D. 1/8

Answer 1

A. -6

Explanation:

Just plug in -3 to where x is.

Answer 2

f(x)=2x

f(-3)=2(-3)

f(-3)=-6