Question

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

−15
negative 15

−16
negative 16

−12.5
negative 12.5

−13.5
negative 13.5

Answer 1

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

None of the given choices match −85. (If the coefficient was meant to be 1/8 instead of 18, then y = (1/8)(−4) − 13 = −0.5 − 13 = −13.5.)