Solve Applied Problems Involving Parabolas

question 57

Multiple Choice

Solve Applied Problems Involving Parabolas
-An experimental model for a suspension bridge is built. 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 80 inches apart. At a point between the towers and 20 inches along the road from the base of one tower, the cable is 4 inches above the roadway. Find the height of the towers.

• A) 16 in.
• B) 16.5 in.
• C) 15.5 in.
• D) 18 in.

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Definitions:

Market Control

The ability of a single entity or a few entities to significantly influence the conditions or terms in a particular market.

Input Standards

Pre-defined criteria or benchmarks used to measure the quality, quantity, or timeliness of inputs in a production or manufacturing process.

Output Standards

Benchmarks set to measure the quantity, quality, or performance of a product or service produced.

Inferior Good

A type of good for which demand decreases as the income of consumers increases, opposite to a normal good.