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# Boiling-point function: Water boils at 212° F at sea level ISBN: 9780321570567 2

## Solution for problem 11RE Chapter 1

Calculus: Early Transcendentals | 1st Edition

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Problem 11RE

Boiling-point function: Water boils at 212° F at sea level and at 180° F at an elevation of 6000 ft. Assume that the boiling po ? int? varies linearly with altitude ?a. Find the function? ? = f(? ) that describes the dependence. Comment on whether a linear function gives a realistic model.

Step-by-Step Solution:

Step-by-step solution 11RE Step 1 We need to find the function B = f(a) that describes the dependence of water boiling point B to the altitude a. We also need to determine if a linear function gives a realistic model of the boiling point function. Step 2 Assuming that the boiling point B varies linearly with the altitude a, we express the function B in S lope-Intercept Form. For this problem, we find that the Slope-Intercept form of the equation is: B = ma + b  where m is the slope of the line, and b is the y-intercept.

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Step 4 of 4

##### ISBN: 9780321570567

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