Mathematics, 05.11.2020 01:00 recon12759
The cost, in dollars, of cellular phone service with Econo-phone is given by C = 0.18x + 14.55, where x is the number of minutes used in one month.
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The cost, in dollars, of cellular phone service with Econo-phone is given by C = 0.18x + 14.55, wher...
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