Answer: [tex]\bold{-\dfrac{1}{2}}[/tex]
Step-by-step explanation:
Average rate of change is the slope (m) between the two coordinates (-1, -1) and (1, -2).
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
[tex]m = \dfrac{-2+1}{1+1}[/tex]
[tex]=-\dfrac{1}{2}[/tex]
