A rope 18 feet long is cut into two pieces. one piece is used to form a circle and the other used to form a square. find a function representing the area of both square and circle as a function of the length of one side of the square.

Respuesta :

Please give me a brainliest for this, it was so much work. The answer is

f(x)=x^2 + (4x^2 -18x +81)/pi
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