Suppose that an equation is given p = −2x2 + 276x − 1000, where x represents the number of items sold at an auction and p is the
profit made by the business that ran the auction. How many items sold would make this profit a maximum? Solve this by graphing the expression in your graphing utility and finding the maximum using 2nd CALC maximum or, for the TI-89, F5 for the math menu and 4:Maximum. To obtain a good window for the curve, set x [0, 200] and y [0, 10000].
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There approximately 7133 books in the library;
Data;
- Let the number of total books = x
- Number of fictional books = 3/4x
To solve this problem, we simply need to use an equation to explain the word problem into mathematical statements.
Let the total number of books be represented by x
The number of fictional books = 3/4x
After 592 fictional books were donated;
Let collect like terms and solve
There approximately 7133 books in the library;
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