A cellphone postpaid plan costs 250 per month with unlimited calls to all networks, 150 text messages
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Question:
A cellphone postpaid plan costs 250 per month with unlimited calls to all networks, 150 text messages per month, and no data plan. After 150 text messages, it costs 0.75 for each text message you will send. write a piecewise function to represent the above situation.
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