Question: Arthur is going for a run. From his starting point, he runs due east at 10 feet per second for210feet.He then turns, and runs north

Arthur is going for a run. From his starting point, he runs due east at 10 feet per second for210feet.He then turns, and runs north at12feetper second for200feet.He then turns, and runs west at7feetper second for70feet.

Express the (straight-line) distance from Arthur to his starting point as a function oft, the number of seconds since he started.

d(t) =

a)0t21

b)21t113/3

c)113/3t143/3

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