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2.1 Exercise 89

Avg difficulty 2.5

A phone company charges for service according to the formula: $C \left(n\right) = 24 + 0.1 n ,$ where $n$ is the number of minutes talked, and $C \left(n\right)$ is the monthly charge, in dollars. Find and interpret the rate of change and initial value.

OpenStax Precalculus 2e, 2.1 Linear Functions, exercise 89

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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.