Solve
-A Bridge Constructed Over a River Has a Supporting $y = \frac { 7 } { 961 } x ^ { 2 } + 112$

question 45

Multiple Choice

Solve.
-A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 248 feet and the maximum height of the arch is 112 feet. Write the equation of the arch.

• A) \(y = \frac { 7 } { 961 } x ^ { 2 } + 112\)
• B) \(y = - \frac { 7 } { 961 } x ^ { 2 } + 112\)
• C) \(y = x ^ { 2 } + 112\)
• D) \(y = - x ^ { 2 } + 112\)

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