The number of hours needed to paint a house is given by H(x)=(180/x) + x^2 -10 if 'x' people are working on painting a house. Here, a fraction of a person represents a person working part time. A. Use calculus to find the min length of time it takes to paint the house. Make sure to use calculus to verify that the time you find is the min. B. The total cost to paint the house is the product of length of time, the number of people working, and the hourly salary ($50/hour). For what number of workers is the total cost minimized?
The number of hours needed to paint a house is given by H(x)=(180/x) + x^2 -10 if 'x' people are working on painting a house. Here, a fraction of a person represents a person working part time. A. Use calculus to find the min length of time it takes to paint the house. Make sure to use calculus to verify that the time you find is the min. B. The total cost to paint the house is the product of length of time, the number of people working, and the hourly salary ($50/hour). For what number of workers is the total cost minimized?
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.7: Applications
Problem 13EQ
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The number of hours needed to paint a house is given by
H(x)=(180/x) + x^2 -10 if 'x' people are working on painting a house. Here, a fraction of a person represents a person working part time.
A. Use calculus to find the min length of time it takes to paint the house. Make sure to use calculus to verify that the time you find is the min.
B. The total cost to paint the house is the product of length of time, the number of people working, and the hourly salary ($50/hour). For what number of workers is the total cost minimized?
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