OpenStax, Algebra and Trigonometry 2e §4.2 Modeling with Linear Functions · Exercise 57 · Algebra · Graphs
Modeling with Linear Functions · Exercise 57
You are choosing between two different prepaid cell phone plans. The first plan charges a rate of 26 cents per minute. The second plan charges a monthly fee of $19.95 plus 11 cents per minute. How many minutes would you have to use in a month in order for the second plan to be preferable?
OpenStax, Algebra and Trigonometry 2e · §4.2 Modeling with Linear Functions · Exercise 57
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