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Mathematics, 17.06.2021 22:20 ErickP1686

Margarita knows that her score on the final exam will be a quadratic function of the amount of time she studies. If she studies for 10 hours, she will score 50 %. If she studies for 20 hours,
she will score 85 %. If she studies for 35 hours, she will score 80 % (her score decreases due to
overwork and stress from lack of sleep).
a) How much should she study to maximize her score on the exam?
b)What is her maximum possible score on the exam?

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