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Back to 4.3 Fitting Linear Models to Data

2.4 Exercise 73

Avg difficulty 2.5

Use the descriptions of the pairs of lines to find the slopes of Line 1 and Line 2. Is each pair of lines parallel, perpendicular, or neither?

A car rental company offers two plans for renting a car.

  1. Plan A: 25 dollars per day and 10 cents per mile
  2. Plan B: 50 dollars per day with free unlimited mileage

How many miles would you need to drive for plan B to save you money?

OpenStax Precalculus 2e, 2.4 Fitting Linear Models to Data, exercise 73

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.