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The plan for a 20ft-by-12ft patio has a square garden in the middle of it. If each side of the garden is x ft, the function y = 240-x^2 gives the area of the patio without the garden in square feet.

a.) Graph the function
b.) What values make sense for the domain? Explain.
c.)what is the range of the function?Explain.
d.)Use the graph to estimate the side length of the garden if the area of the patio is 200ft^2.

 

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