3. A rectangle is bounded by the x-axis and the parabola y = 4 - x2. What length and width should the rectangle have so that its area is a maximum? 4. You are do

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Number 3. Please write the equation In terms of x. Don’t solve just the equation.
3. A rectangle is bounded by the x-axis and the parabola y = 4 - x2. What
length and width should the rectangle have so that its area is a maximum?
-2
4. You are designing a rectangular poster to contain 50 square inches of printing with a 4-inch margin at the to
and bottom and a 2-inch margin at each side. What overall dimensions will minimize the amount of paper
used?
Transcribed Image Text:3. A rectangle is bounded by the x-axis and the parabola y = 4 - x2. What length and width should the rectangle have so that its area is a maximum? -2 4. You are designing a rectangular poster to contain 50 square inches of printing with a 4-inch margin at the to and bottom and a 2-inch margin at each side. What overall dimensions will minimize the amount of paper used?
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