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Using a Linear Model to Investigate a Town’s Population

Avg difficulty 2.5

A town’s population has been growing linearly. In 2004 the population was 6,200. By 2009 the population had grown to 8,100. Assume this trend continues.

  1. ⓐ Predict the population in 2013.
  2. ⓑ Identify the year in which the population will reach 15,000.

OpenStax Precalculus 2e, 2.3 Modeling with Linear Functions, exercise 1

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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.