Mathematics, 05.01.2021 07:30 cruzhazeL999

A cell phone carrier charges a monthly fee of $ 20 and also charges customers $ 0.05 per text message. The function C ( t ) = 0.05 t + 20 C(t)=0.05t+20 represents the cost, C per month based on t
text messages in a month. Which best describes the domain of the function?

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A cell phone carrier charges a monthly fee of $ 20 and also charges customers $ 0.05 per text messag...