Solve the Problem $$a = 4 | \sec 2 \pi t |$$

question 249

Multiple Choice

Solve the problem.
-A rotating beacon is located 4 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by $$a = 4 | \sec 2 \pi t |$$ where t is in seconds, find a when t = 0.34 seconds. Round your answer to the nearest hundredth.

• A) 7.88 ft
• B) 8.30 ft
• C) 7.47 ft
• D) -7.47 ft

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Definitions:

Marginal Costs

The uplift in total financial outlay required for the making of another unit of a product or service.

Cournot Duopolists

Firms in a market where only two producers exist and compete under the Cournot assumption, where each firm decides its production level assuming the output of its competitor is fixed.

Demand for Wine

The total quantity of wine that consumers are willing and able to purchase at various prices within a specific time period.

Imports

Goods and services purchased from other countries for domestic consumption, often contrasted with exports.