Answer:
-4
Explanation:
The average rate of change of a function between two points is given by the formula [f(b) - f(a)] / (b - a)
We have f(-1) = 4 and f(0) = 1
then
[f(b) - f(a)] / (b - a)
= [1 - 4] / [0 - -1] = -4/1 = -4
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