What is the value of the function y=18x−13 when x=−4?

responses −13.5 −15 −16 −12.5

1 answer

To find the value of the function y=18x−13 when x=-4, we substitute x=-4 into the equation:

y = 18(-4) - 13
= -72 - 13
= -85

Therefore, the value of the function is -85.