9) A rectangle has one corner on the graph of the line y = -x² + 6, another at the origin, a third on the positive y-axis, and a fourth on the positive x-axis. (See graph on the right.) (a) Express the area A of the rectangle as a function of x. (b) Express the perimeter of the rectangle as a function of x.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 36E
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9) A rectangle has one corner on the graph of the line y=-x² + 6, another at the origin,
a third on the positive y-axis, and a fourth on the positive x-axis. (See graph on the right.)
(a) Express the area A of the rectangle as a function of x.
(b) Express the perimeter of the rectangle as a function of x.
10) A semicircle of radius 2r is inscribed in a rectangle so that the diameter of the semicircle is the length of the rectangle.
Express the area A of the rectangle as a function of x.
Transcribed Image Text:9) A rectangle has one corner on the graph of the line y=-x² + 6, another at the origin, a third on the positive y-axis, and a fourth on the positive x-axis. (See graph on the right.) (a) Express the area A of the rectangle as a function of x. (b) Express the perimeter of the rectangle as a function of x. 10) A semicircle of radius 2r is inscribed in a rectangle so that the diameter of the semicircle is the length of the rectangle. Express the area A of the rectangle as a function of x.
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