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OpenStax, Algebra and Trigonometry 2e §4.3 Fitting Linear Models to Data · Exercise 111 · Algebra · Graphs

Fitting Linear Models to Data · Exercise 111

Determine whether the lines given by the equations below are parallel, perpendicular, or neither parallel nor perpendicular.

The number of people afflicted with the common cold in the winter months dropped steadily by 25 each year since 2002 until 2012. In 2002, 8,040 people were inflicted. Find the linear function that models the number of people afflicted with the common cold as a function of the year, When will less than 6,000 people be afflicted?

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OpenStax, Algebra and Trigonometry 2e · §4.3 Fitting Linear Models to Data · Exercise 111

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