1. The distance travelled by a model train over a bridge is described using the formula: t² 8 d(t) = 3t Where t is the time in seconds after the train started. Calculate the speed of the train after 6 seconds.

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A: As per our guideline we can solve one question you can repost other question

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A: Please see the below picture for detailed solution.

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A: I am attaching image so that you understand each and every step.

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