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Mathematics, 25.05.2021 19:50 Cleotilde14151

The function f(x) = –(x – 3)2 + 9 can be used to represent the area of a rectangle with a perimeter of 12 units, as a function of the length of the rectangle, x. What is the maximum area of the rectangle? 3 square units
6 square units
9 square units
12 square units

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