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07.10.2019 •
Mathematics
You have returned some merchandise to a store and received a store credit of $23. in the same store, you are purchasing picture frames that cost $9 each. the function f(x) = 9x - 23 represents your total cost f(x) if you purchase x picture frames. how many dollars will you pay if you purchase 7 picture frames?
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Ответ:
Ответ:
It is 4
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