1. Your cell phone plan costs P1000/month and gives you unlimited talk, and 500 text messages per month, and no data plan. After 500 text messages, it costs P1 pertext you send. Write a piecewise...

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Extracted text: 1. Your cell phone plan costs P1000/month and gives you unlimited talk, and 500 text messages per month, and no data plan. After 500 text messages, it costs P1 pertext you send. Write a piecewise function that represents this situation. 2. For the pairs of functions given, compute (f o g(x). a. f(x) = 3x-8; g(x) = x+ 4 b. f(x) = x2- x+ 1; g(x) = 2x-7 %3D