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of its perimeter P.

60. Write the area A of a circle as a function

of its circumference C.

61. Path of a Ball You throw a baseball to a child

25 feet away. The height y (in feet) of the baseball is

given by y = − (x^2)/10 x^2 + 3x + 6 where x is the horizontal

distance (in feet) from where you threw the ball.

Can the child catch the baseball while holding a baseball glove

at a height of 5 feet?

Enjoy.

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