H(x)=x^2−1

over which interval does h have a negative average rate of change?

choose 1

(choice a)

−3≤x≤1

(choice b)

−1≤x≤5

(choice c)

−3≤x≤5

(choice d)

1≤x≤4

How do you use the elimination method for this question? explain, because i really want to understand!

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