Respuesta :

nhfareha5th

Answer:

the image up is your answer to the question.

Ver imagen nhfareha5th
classicalmusicman18

Answer:

-2

Step-by-step explanation:

Value of the function at x = 4 is 12

Value of the function at x = 8 is 4

change in y is  4 - 12 = -8

change in x is 8 - 4 = 4

x = 4 to x = 8 is -8/4 = -2