Question: Please DO NOT hand write it!!! 11. The retention by students of materials learned is given by R(t) = 100 - 1.2 In(5tz + 3)

Please DO NOT hand write it!!!

11. The retention by students of materials learned is given by R(t) = 100 - 1.2 In(5tz + 3) where t is time in weeks and R is the percent of material not retained. Find the RATE of retention after 4 weeks. Writea sentence interpreting your results. 12. In a monopoly market the demand p (price) for x units (quantity) is given by p(x) = 125e-0.15x Use calculus to find the maximum revenue. Hint: R(x) = 125xe-0.15x

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