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図は, > 時間 7 an ーテ> 9 2040 60 so 時間/ 13

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✨ Best Answer ✨

t=4.0での瞬間の速さv

→v = dx/dt|_(t=4.0)

→つまりx-tグラフのt=4.0での接線の傾き(微分係数)

→グラフより3.0 m/s

Euro step

微分については無視してもいいです

ぽたと🍟

ありがとうございます٩(ˊᗜˋ*)و

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