SOLUTION: Hi. It would be a big help if you could answer this question:
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
Algebra.Com
Question 594779: Hi. It would be a big help if you could answer this question:
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.
What is the span of the arch at a height of 575 feet above the ground?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
575 = -0.00121246x² + 876
x=498.253
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