Question 1185452
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A fence is to enclose a rectangular form with an area of 400 square meters. If x is the length of one side of this <s>friends</s> FENCE, find a function p of x representing the perimeter of the fencing material required.
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Area of 400 sq.ms
length x
width y
{{{xy=400}}}
{{{y=400/x}}}
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{{{p=2x+2y}}}
{{{p=2x+2(400/x)}}}
{{{highlight(p=2x+800/x)}}}