Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 744. Find a linear equation which fits this data, and which relates score to review time. Use this equation to predict an average score for persons taking a 43-hour review course. Round your answer to the tenths place.
A. 664.5
B. 653.0
C. 674.3
D. 660.3
Answer: D
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Use Taylor series to evaluate the limit.
A. - 96
B. - 
C. - 
D. - 
Use scientific notation to solve the problem.A computer can do one calculation in 1.4 x 10-7seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 x 1012 sec B. 1.4 x 106 sec C. 1.4 x 10-7 sec D. 1.4 x 105 sec
Solve the problem.Given a group of students: G = {Allen, Brenda, Chad, Dorothy, Eric, Frances, Gale}, count the number of different ways of choosing 4 people for a committee. Assume no one can hold more than one office and that each person is to hold a different position on the committee.
A. 2401 B. 5040 C. 840 D. 35
Use the Comparison Test to determine if the series converges or diverges.
A. converges B. diverges