Solve the Problem. -An Experimental Model for a Suspension Bridge Is Built in Is

question 28

Multiple Choice

Solve the problem.
-An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second
Tower. The towers are both 12.25 inches tall and stand 70 inches apart. At some point along the road from the
Lowest point of the cable, the cable is 1.96 inches above the roadway. Find the distance between that point and
The base of the nearest tower.

• A) 21 in.
• B) 13.8 in.
• C) 14.2 in.
• D) 21.2 in.

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Definitions:

Mark-Up Percentage

A measure of how much the cost of a product is increased to arrive at its selling price, typically to cover overheads and profit.

Mark-Up Percentage

The percentage added to the cost price of products to determine the selling price, intended to cover overhead and profit.

Total Variable Cost

The sum of all variable costs that change in proportion with the level of output or activity.

Total Annual Fixed Costs

The sum of all consistent, non-variable expenses that a company incurs over the course of a year.