31. A rental car company charges a fixed amount to rent a car per day. Therefore, the cost per mile to rent a car for a given day is inversely proportional to the number of miles driven. If 100 mi is driven, the average daily cost is $0.80 per mile. a. Find the cost per mile if 200 mi is driven. b. Find the cost per mile if 300 mi is driven. c. Find the cost per mile if 400 mi is driven. d. If the cost per mile is $0.16, how many miles were driven?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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31. A rental car company charges a fixed amount to rent a
car per day. Therefore, the cost per mile to rent a car
for a given day is inversely proportional to the number
of miles driven. If 100 mi is driven, the average daily
cost is $0.80 per mile.
a. Find the cost per mile if 200 mi is driven.
b. Find the cost per mile if 300 mi is driven.
c. Find the cost per mile if 400 mi is driven.
d. If the cost per mile is $0.16, how many miles were
driven?
Transcribed Image Text:31. A rental car company charges a fixed amount to rent a car per day. Therefore, the cost per mile to rent a car for a given day is inversely proportional to the number of miles driven. If 100 mi is driven, the average daily cost is $0.80 per mile. a. Find the cost per mile if 200 mi is driven. b. Find the cost per mile if 300 mi is driven. c. Find the cost per mile if 400 mi is driven. d. If the cost per mile is $0.16, how many miles were driven?
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