[11th Grade: Piecewise function] Word problem
Can a Piecewise Function be Defined Twice at the Same Point?
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Hey guys, I just need help in my math homework. Since I'm not sure if I got the right answer. I just wanted to be sure.
It is all about Piecewise function, Here is the problem:
Thomas is planning to sell T shirts as a fundraiser. The wholesale t-shirt supplier charges ₱90 for the first 75 shirts. After the first 75 t-shirts he purchase up to 150 shirts, the supplier will lower its price to ₱75 per shirt. After he purchase more than 150 shirts, the price will decrease to ₱50 per shirt.
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Write a piece-wise function that models this situation
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How much would the total cost If he buys 80 shirts?
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How much would the total cost If he buys 220 shirts?
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If the total cost was ₱20,000, how many shirts were purchased?
It is also much appreciated if you have a solution.