(3) A mobile phone provider charges $3.75 plus $0.15 per minute for overseas calls. (a) Write a linear model which shows the cost C, in dollars, for a client talking x minutes. (b) How much would it cost the client for an overseas call with a duration of 55 minutes?

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.CT: Test
Problem 19CT
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(3) A mobile phone provider charges $3.75 plus $0.15 per minute for overseas calls.
(a) Write a linear model which shows the cost C, in dollars, for a client talking x minutes.
(b) How much would it cost the client for an overseas call with a duration of 55 minutes?
Transcribed Image Text:(3) A mobile phone provider charges $3.75 plus $0.15 per minute for overseas calls. (a) Write a linear model which shows the cost C, in dollars, for a client talking x minutes. (b) How much would it cost the client for an overseas call with a duration of 55 minutes?
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