A ballerina is spinning while standing on one leg, so the point that is furthest from the center of her body is her other knee. The horizontal distance between the ballerina's knee and the edge of the stage, in meters,
is modeled by D(t) where t is the time in seconds. The function is graphed below, along with one segment
highlighted.

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what level of math? also i don't need to be paid if i can you.

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step-by-step explanation: easy math