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Mathematics 19 Online
OpenStudy (anonymous):

Mr. Medina invested in a buy-and-sell business. Knowing that it is an unstable business, he kept track of his profit (P) at time (t), measured in days, after he began investing and found that. P=4t^2-25t+30 a. find his total profit after 5 days.

OpenStudy (jack1):

P=4t^2−25t+30 sub in t = 5 to above equation ... = answer

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