A manufacturer has determined that the marginal profit from the production and sale of x clock radios is approximately 420−8x dollars per clock radio.  What is the profit from the sale of 60 clock radios?

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A: The given series is

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A: The Power Rule:The Chain Rule:

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A: The given curve is

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A: The given function is

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A: Here .We have to find the directional derivative .

Q: 2. Use implicit differentiation to find y'. (Assume y is a function of x.) y y) = ²/ = ly +1| +…

A: By using implicit differentiation to find .(Assume  is a function of )Note: Since the student has…

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A: Figure

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A: Solution

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A: The solution is shown in step-2

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A: The solution is shown in step-2