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# Automobile Costs The data m (he table show the variable costs for operatmg an aiKomobile

ISBN: 9780618149162 430

## Solution for problem 11 Chapter P.4

Calculus of A Single Variable | 7th Edition

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Problem 11

Automobile Costs The data m (he table show the variable costs for operatmg an aiKomobile in the United Slates for the years 1990 through 1997. The finictions \',. ^',. and \', represent the costs ni cents per mile lor gas and oil. maintenance, and tires. (Source: Anicnciui Autoinohilc Muiuiliictincrs Awociiinon (a) Let / be the time in years where / = repre.sents 1990. Use the regression capabilities of a graphing utility to find a cubic model loi' v, and linear models for \'-, and \;. (b) Use a graphing utility to graph y,, i,. y,. and y, + \\ + y, in the same viewing window. Use the model to estimate the total \ariablc cost per mile m 2002.

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Chapter 12 Notes — “Exercise: the environment and special populations”▯ ▯ • Environmental factors (heat, cold, altitude, air pollution) can affect your exercise routine.▯ • Homeotherms: animals that regulate their body temperature to remain close to a set point. Humans regulate their body temperature around the set point of 98.6 F▯ • Exercise in a hot environment:▯ • Since the muscles...

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