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Peter opens a new bookstore and pays the book publisher $3.00 for each book he buys from them. The amount Peter pays is given by F (x) = 3x, where x is the number of books purchased.
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Peter opens a new bookstore and pays the book publisher $3.00 for each book he buys from them. The amount Peter pays is given by F (x) = 3x, where x is the number of books purchased.

User Ligeia
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1 Answer

5 votes
f(x) = 3x ; where x is the number of books purchased.

x f(x)
0 0
1 3
2 6
3 9
4 12
5 15

I saw this problem and the instruction was to graph the function and show the domain and range.

The domain is all the x-values while the range is all the y-values.
User Michael Anderson
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9.0k points
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