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

question 51

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 stand 60 inches apart. At a point between the towers and 18 inches along the road from the
Base of one tower, the cable is 1.44 inches above the roadway. Find the height of the towers.

• A) 11 in.
• B) 9 in.
• C) 8.5 in.
• D) 9.5 in.

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Definitions:

Marginal Costs

The hike in total financial outlay required for the fabrication of one additional unit of a product or service.

Variable Costs

Costs that change in proportion to the level of production or business activity, such as raw materials and direct labor expenses.

Average Total Cost

The total cost of production divided by the quantity of output produced.

Total Cost

The complete cost of production, including both fixed and variable costs, incurred by a firm in producing and selling a certain amount of a good or service.