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-A Bridge Constructed Over a River Has a Supporting y=x2+134y = - x ^ { 2 } + 134

question 43

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-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 300 feet and the maximum height of the arch is 134 feet. Write the equation of the arch.
 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 300 feet and the maximum height of the arch is 134 feet. Write the equation of the arch.    A)   y = - x ^ { 2 } + 134  B)   y = x ^ { 2 } + 134  C)   y = \frac { 67 } { 11,250 } x ^ { 2 } + 134  D)   y = - \frac { 67 } { 11,250 } x ^ { 2 } + 134


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