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If x represents time, the average rate of change of the function f(x) in the first three seconds is ____.

A: -20

B: 20

C: 15

D: -15

If x represents time, the average rate of change of the function f(x) in the first-example-1
User Enn
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1 Answer

5 votes
i think its A but i'm not sure

User Kamal Paliwal
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