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March 24, 2017

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judy wants to fence the sides of the yard in front of her house . She bought 60m of fence and wants the max area she can fence in . The quad function a(x)=-2x^2+60x, where x is the width of the yard in metres , represent area enclosed . Determine the max area possible , explain or show how you arrived at your answer .

  • math - ,

    as with any parabola ax^2+bx+c, the vertex is at x = -b/2a

    so, here the maximum is achieved at x = 15.

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