Respuesta :

Answer:

-2

Step-by-step explanation:

[tex]\frac{f(b)-f(a)}{b-a}\\ \\=\frac{f(-1)-f(-4)}{-1-(-4)}\\ \\=\frac{-4-2}{-1+4}\\ \\=\frac{-6}{3}\\ \\=-2[/tex]

Therefore, the average rate of change over the interval [-4,-1] is -2.