The marginal gain from Sam's third hour of work, from 10:00 AM to 11:00 AM, is 40 problems. Later, the teaching assistant for Sam's chemistry course gives him some advice. "Based on past experience," the teaching assistant says, "working on 30 problems raises a student's exam score by about the same amount as reading the textbook for 1 hour." For simplicity, assume students always cover the same number of pages during each hour they spend reading. Given this information, in order to use his 4 hours of study time to get the best exam score possible, how many hours should he spend working on problems and how many should he spend reading? O 0 hours working on problems, 4 hours reading O 1 hour working on problems, 3 hours reading O 2 hours working on problems, 2 hours reading O 3 hours working on problems, 1 hour reading 4 hours working on problems, 0 hours reading
The marginal gain from Sam's third hour of work, from 10:00 AM to 11:00 AM, is 40 problems. Later, the teaching assistant for Sam's chemistry course gives him some advice. "Based on past experience," the teaching assistant says, "working on 30 problems raises a student's exam score by about the same amount as reading the textbook for 1 hour." For simplicity, assume students always cover the same number of pages during each hour they spend reading. Given this information, in order to use his 4 hours of study time to get the best exam score possible, how many hours should he spend working on problems and how many should he spend reading? O 0 hours working on problems, 4 hours reading O 1 hour working on problems, 3 hours reading O 2 hours working on problems, 2 hours reading O 3 hours working on problems, 1 hour reading 4 hours working on problems, 0 hours reading
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.2: Applications Of Exponential Functions
Problem 21E
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Transcribed Image Text:Sam is a hard-working college junior. One Thursday, he decides to work nonstop until he has answered 220 practice problems for his chemistry
course. He starts work at 8:00 AM and uses a table to keep track of his progress throughout the day. He notices that as he gets tired, it takes him
longer to solve each problem.
Time
8:00 AM
9:00 AM
10:00 AM
11:00 AM
Noon
Total Problems Answered
0
100
160
200
220
Use the table to answer the following questions.
The marginal, or additional, gain from Sam's first hour of work, from 8:00 AM to 9:00 AM, is
100 problems.
The marginal gain from Sam's third hour of work, from 10:00 AM to 11:00 AM, is 40 problems.
Later, the teaching assistant for Sam's chemistry course gives him some advice. "Based on past experience," the teaching assistant says, "working on
30 problems raises a student's exam score by about the same amount as reading the textbook for 1 hour." For simplicity, assume students always
cover the same number of pages during each hour they spend reading.
Given this information, in order to use his 4 hours of study time to get the best exam score possible, how many hours should he spend working on
problems and how many should he spend reading?
O 0 hours working on problems, 4 hours reading
O 1 hour working on problems, 3 hours reading
O 2 hours working on problems, 2 hours reading
O 3 hours working on problems, 1 hour reading
O 4 hours working on problems, 0 hours reading
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