The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g = 4 h x − 0.2 h 2 − 10 x 2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

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Answer 1

Question

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

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Answer 2

Question

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

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Answer 3

Question

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

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Answer 4

Question

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

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Answer 5

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

Answer 6

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

Answer 7

Chapter 12.5, Problem 42E

To determine

To calculate: The rate at which average study timing decreasing where the production formula for s student’s performance on a difficult English examination is provided by g=4hx−0.2h2−10x2 where g represents the expected grade of the student, h represents time in hrs spent studying for the examination, and x represent the student’ average grade point average and the teacher discerns that the student’ grade point averages stayed the same at 3.0 of through the years and the student now spends an average of 15 hours on daily study in a year for the examination, whereas the scores on the examination have dropped at a rate of 10 points per year.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Solution Summary: The author explains how to calculate the rate at which average study timing decreasing is 1.7 hours per year.

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