3. A newspaper company currently charges $6 per week to its subscribers, but is considering raising their price. The company found that their weekly revenue R can be modeled by the function R(x) =-750(x – 40)(x+ 20) where x is the number of $0.25 increases in the weekly price. a. What is the maximum weekly revenue that can be expected for this company? How do you know? b. What weekly price would generate the maximum weekly revenue for the newspaper? Show all work.

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A: