document.write( "Question 594779: Hi. It would be a big help if you could answer this question:\r
\n" ); document.write( "\n" ); document.write( "An arch bridge's height above the ground, in feet, at a point x feet from it's center is h(x) = -0.00121246x² + 876.\r
\n" ); document.write( "\n" ); document.write( "What is the span of the arch at a height of 575 feet above the ground?
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Algebra.Com's Answer #376913 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
575 = -0.00121246x² + 876
\n" ); document.write( "x=498.253
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