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An arch is in the shape of a parabola. It has a span of 240 feet and a maximum height of 40 feet.

Arches Nat Park: Landscape Arch Wayne Stadler CC-by-nc-nd

Find the equation of the parabola (assuming the origin is halfway between the arch's feet).  

Determine the height of the arch 103 feet from the center.


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   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
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