A store manager timed Janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a
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Answer: Choice D
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Explanation:
Let g(t) be the antiderivative of . We don't need to find out what g(t) is exactly.
Recall by the fundamental theorem of calculus, we can say the following:
This theorem ties together the concepts of integrals and derivatives to show that they are basically inverse operations (more or less).
So,
From here, we apply the derivative with respect to x to both sides. Note that the portion is a constant, so
Answer is choice D