Question

Function notation

Given f(x) = 5x - 3, find f(-2).
Choose:
A-13
B-7
C-5
D0

Answer 1

Explanation:

f(-2) = 5(-2) - 3 = -10 - 3 = -13

A is the answer

Answer 2

Steps to solve:

f(x) = 5x - 3

~Substitute

f(-2) = 5(-2) - 3

~Simplify

f(-2) = -10 - 3

~Subtract

f(-2) = -13 (Option A)

Best of Luck!