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Mathematics 19 Online
OpenStudy (anonymous):

Cathy pays $25 a month plus $0.05 per text message. She models this with the function C = 0.05x + 25. If the text messaging fee increases to $0.10 a minute, what is her new function?

OpenStudy (helpsos):

C= 0.10 x + 25 is her new function :)

OpenStudy (helpsos):

you just replace the 0.05 with 0.10

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