21 feet A library is being designed with supports that are parabolic. The width of the base of the archway at ground level is 21 feet apart. The height at the peak is 26 feet above the ground. What is the quadratic function that models this archway support? Locate the "origin" at the bottom left edge of the arch. Give an equation in the form y exact values; leave it in standard (vertex) form. function of x. Give Function: If they want to install bookshelves along the side wall that are 13 feet tall. How far out from the base/wall must they be located so the top of the bookshelf does not hit the arch as it curves inward? Give a decimal with at least 3 decimal places.

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