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