Posted by **Julia** on Saturday, November 24, 2012 at 12:03pm.

Te arch of the Sydeny Harbor Bridge can be modeled by y= -0.00211x^2 + 1.06x where x is the distance (in meters) from the left pylons and y is the height (in meters) of the arch above the water. For what distances x is the arch above the road? (It has a picture and in it the distance from the bottom of the pylons to the road is 52 m)

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