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Write a cosine function that has an amplitude of 2, a midline of y=4 and a period of 4/7

User Schoof
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Explanation:

a vending machine has a total Of 41 chocolate bars and bags of pretzels the number of chocolate bars is one less than twice the number of bags and pretzels how many. Chocolate bars are under the vending machine

User David Rettenbacher
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