Question

the function ( a(r)=3.14 r^{2} ) can represent the area of a circle, ( a ), as a function of the radius of the circle, ( r ). given ( a(10)=314 ), what does the 314 represent? ( a(10) ) the independent variable the input radius of the circle skill code: 520300

Explanation:

In the function \(A(r) = 3.14r^{2}\), \(A(r)\) represents the area of a circle as a function of the radius \(r\). When we evaluate \(A(10)\), we substitute \(r = 10\) into the function. The result \(A(10)=314\) gives the value of the function at \(r = 10\). The independent variable is \(r\) (the radius), the input is the value of \(r\) (in this case \(10\)), and \(A(10)\) is the notation for the function evaluated at \(r = 10\). The value \(314\) is the output of the function \(A(r)\) when \(r = 10\), which represents the area of the circle with radius \(10\).

Answer:

A. \(A(10)\)