B FE 20. The function r(x) represents the radius of a circle for a given area, x. A gra of the function is shown in the figure. r(x)

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Mathematics
20. The function r(x) represents the radius of a circle for a given area, x. A gra
of the function is shown in the figure.
Radius (feet)
2.0
1.5
1.0
r(x)
0.5
0 1 2 3 4 5 6 7 8 9
Area (square feet)
X
According to the graph, what is the approximate average rate of change in
the radius of the circle as the area increases from 3 square feet to 7 squa
feet?
A. 0.125 foot per square foot
B. 0.25 foot per square foot
C. 0.5 foot per square foot
D. 8 feet per square foot
Transcribed Image Text:Mathematics 20. The function r(x) represents the radius of a circle for a given area, x. A gra of the function is shown in the figure. Radius (feet) 2.0 1.5 1.0 r(x) 0.5 0 1 2 3 4 5 6 7 8 9 Area (square feet) X According to the graph, what is the approximate average rate of change in the radius of the circle as the area increases from 3 square feet to 7 squa feet? A. 0.125 foot per square foot B. 0.25 foot per square foot C. 0.5 foot per square foot D. 8 feet per square foot
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