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13 Nov 2019

Question Part Points Submissions Used A division of a certain toy company manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hr after starting work at 8 A.M. is − 3 2 t2 + 8t + 29 (0 ≤ t ≤ 4) units/hour. (a) Find the total number of games the average worker can be expected to assemble in the 4-hr morning shift. (b) How many units can the average worker be expected to assemble in the first hour of the morning shift? In the second hour of the morning shift?

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Deanna Hettinger
Deanna HettingerLv2
9 Apr 2019

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Related questions

A division of a certain toy company manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hr after starting work at 8 A.M. is

units/hour.

(a) Find the total number of games the average worker can be expected to assemble in the 4-hr morning shift.

(b) How many units can the average worker be expected to assemble in the first hour of the morning shift?

(c) In the second hour of the morning shift?

These are practice problems will be very similar to exam pleasegive detailed steps

Show transcribed image text

DIRECTION:

Show all work – facts, primary and secondary equations, finding the derivatives, doing sign tests, and don’t forget to answer the questions asked!

1. An efficiency study of the first shift (from 8:00 A.M. to 5:00 P.M.) at a certain factory indicates that an average worker who arrives on the job at 8:00 A.M. will have assembled Q(t) = -t3 + 6t2 + 15t transistor radios t hours later. At what time during the shift is the worker performing most efficiently?

2. An appliance firm is marketing a new refrigerator. It determines that in order to sell x refrigerators, the price per refrigerator must be p = 280 – 0.4x. It also determines that the total cost of producing x refrigerators is given by C (x) = 5000 + 0.6x2 . How many refrigerators must the company produce and sell in order to maximize profit? What is the maximum profit?

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