A routine activity such as pumping gasoline can be related to many of the concepts studied in

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A routine activity such as pumping gasoline can be related to many of the concepts studied in this text. Suppose that premium unleaded costs $3.75 per gal. Work Exercises in order.image


Why does the equation from Exercise 72 satisfy the conditions for direct variation? In the context of variation, what do we call the value of a?



Data from in Exercise 72


Using function notation, if ƒ(x) = ax + b represents the line from Exercise 71, what are the values of a and b?


Data from in Exercise 71


Write the slope-intercept form of the equation of the line on which the two points lie.

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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