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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Definitions:

Market Supply

The total of what all producers are willing and able to sell at a given price over a specified time period.

Quantities Supplied

The amounts of a good or service that producers are willing and able to sell at various prices during a specified time period.

Quantity Supplied

In economic terminology, it refers to the amount of a good or service that producers are willing and able to sell at a given price over a specific period of time.

Price

The price one must pay to obtain a good or service.