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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zsm2800 zsm2800 · Answer 1 · 2022-03-03T02:28:27+01:00

Answer:

9 square units

Step-by-step explanation:

f(x) = -(x - 3)² + 9

= 9 -(x - 3)²

9 minus something, the result is always less than 9, at most equal to 9.

So the maximum f is 9 square units

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oteroxenia oteroxenia · Answer 2 · 2022-06-29T21:30:51+02:00

Answer:

9

Step-by-step explanation:

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