Question

Given f(x) = -5x + 1. What is f(-3)?

Answer 1

16

Explanation:

-5x-3=15

15+1=16

Answer 2

f(-3) =16

Explanation:

f(x) = -5x + 1

f(-3) means let x=-3

Substituting x=-3 into the equation

f(-3) = -5 (-3) +1

Multiplying -5 and -3

f(-3) = 15+1

f(-3) =16