MATH 110 Midterm: Math 110 Exam 2 V3
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Name: (30 points, find the fourth derivatives of (i) f (x) = 5x + 3 x2 + 1: y = (2x2 + 1)(x3 + 2x, (30 points) the pro t for a product is increasing at a rate of per week. The demand and cost functions for the product are p = 6000 0. 4x2 and c = 2400x+5200. It is determine that the monthly demand for its best selling toy increase by 5000 units for every sh. 25 reduction in price. Use this to nd the demand function and total revenue function. Find the marginal revenue per toy when x = 20000: (30 points) find the open intervals on which each the following functions is increas- ing/decreasing. Then locate all its relative extremas. (a) f (x) = 3x4.
