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The height of the arch at distances of
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Answer to Problem 78RE
At
At
At
Explanation of Solution
Given information:
A bridge is built in the shape of a parabolic arch. The bridge has a span of
Calculation:
Let the vertex of the parabolic arch bridge be the point at the maximum height which is given by coordinates
The value of
Hence, the equation of the parabolic bridge is
The height of the bridge when the distance from the centre of the origin is
The height of the bridge when the distance from the centre of origin is
The height of the bridge when the distance from the centre or the origin is
Chapter 10 Solutions
Precalculus
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