Question

What is the value of the function y=18x−13
when x=−4
?(1 point)
Responses

−15
negative 15

−13.5
negative 13.5

−16
negative 16

−12.5

Answer 1

Compute: y = 18(−4) − 13 = −72 − 13 = −85.

So y = −85, which is not one of the given choices. If the coefficient was meant to be 1.8 instead of 18, then y = 1.8(−4) − 13 = −7.2 − 13 = −20.2 (also not listed). Please check the problem statement or the answer choices.