The function f ( r ) = π r 2 determines the area of a circle in cm2, A , in terms of the radius of the circle in cm, r . Define a function g that determines the radius of a circle in cm, r , in terms of the area of the cirlce in cm2, A .

Step-by-step explanation:

The function to find the area of the circle is

we need to frame equation for the radius of the circle in terms of area

Lets replace f(r) by A  

Solve the given equation for 'r'

To solve for 'r' , divide both sides by pi

then take square root on both sides

Now replace 'r' with f(A), the radius in terms of the area of the circle

46 dollars is the answer.

step-by-step explanation:

6*6 = 36,         36+10=46

answer is x<