As a mathematics professor loads more weight in the back of his Subaru, the mileage goes down.
Question:
As a mathematics professor loads more weight in the back of his Subaru, the mileage goes down. Let x be the amount of weight (in pounds) that he adds, and let y = ƒ(x) be the mileage (in mpg).
(a) Is ƒ′(x) positive or negative? Explain.
(b) What are the units of ƒ′(x)?
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a As x increases fx decre...View the full answer
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