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# DATA ANALYSIS A store manager wants to know thedemand for a product as a function of the

ISBN: 9781439048696 370

## Solution for problem 56 Chapter 6.2

College Algebra | 8th Edition

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College Algebra | 8th Edition

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Problem 56

DATA ANALYSIS A store manager wants to know thedemand for a product as a function of the price. Thedaily sales for different prices of the product are shownin the table (a) Find the least squares regression linefor the data by solving the system for and(b) Use the regression feature of a graphing utility toconfirm the result in part (a). (c) Use the graphing utility to plot the data and graph thelinear model from part (a) in the same viewing window.(d) Use the linear model from part (a) to predict thedemand when the price is \$1.75.

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L6 - 7 2 x − 1 If f(x)= m sec= x − 1 ,nirheoli: x f(x) x f(x) 0.5 1.5 1.5 2.5 0.9 1.9 1.1 2.1 0.99 1.99 1.01 2.01 0.999 1.999 1.001 2.001 Notesthat f(x) a x so in our example, slope of the tangent line = m tan = x − 1 We use...

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