The monthly cost C, in dollars, for calls from the United States to Germany on a certain

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The monthly cost C, in dollars, for calls from the United States to Germany on a certain wireless plan is modeled by the function C(x) = 0.26x + 5, where x is the number of minutes used.

(a) What is the cost if you talk on the phone for 50 minutes?

(b) Suppose that your monthly bill is $21.64. How many minutes did you use the phone?

(d) What is the domain of C if there are 30 days in the month?

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College Algebra

ISBN: 9780135226865

11th Edition

Authors: Michael Sullivan, Michael Sullivan III

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Question Posted: Jun 04, 2023 04:59 AM

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The monthly cost C, in dollars, for calls from the United States to Germany on a certain

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College Algebra

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