In these problem you are asked to find a function that models a real-life situation. Use the principles of modeling described in this Focus to help you. Radius find a function that models the radius r of a circle in term of its area A.

e1s2kat26

e1s2kat26

Answered question

2021-02-04

In these problem you are asked to find a function that models a real-life situation. Use the principles of modeling described in this Focus to help you. Radius find a function that models the radius r of a circle in term of its area A.

Answer & Explanation

krolaniaN

krolaniaN

Skilled2021-02-05Added 86 answers

Concept used:
Area of circle is defined as,
A=πx2.....(1)
Here, A is area, x is radius of circle.
Calculation:
Consider the radius of circle is r.
Substitute r for x in equation (1) to obtain the model that express radius of circle.
A=πr2
Aπ=r2
r2=Aπ
r=Aπ
Answer:
Thus, the function that models the radius of circle in terms of area is r=Aπ

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