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OpenStudy (anonymous):
the cross section of a satellite dish is parabola given by the equation y=1/8x^2 where x and y are measured in feet if the dish is 4 ft wide how deep is it ?
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OpenStudy (campbell_st):
well it looks like this |dw:1399792505586:dw| just substitute either end value to find the depth, y hope it helps
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