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Mathematics, 05.05.2020 23:26 mhayslett

A manufacturer of lightweight, durable containers is contracted to make right cylindrical containers that hold 20 π 20π in3(cubic inches) of liquid. The material used to construct the side of the can costs $ 3 $3 per in2, and the material used to construct the top and bottom of the can costs $ 4 $4 per in2. What radius will minimize the cost of the can? The function relating the cost C C (in dollars) and the radius r r (in inches) is

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