Write the equation of a sine or cosine function that describes the path of the given curve.
A. y = 4 cos (6x)
B. y = 4 cos 
C. y = cos 
D. y = 4 cos 
Answer: D
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Solve the problem. If necessary, round your result to the nearest tenth unless instructed differently. The precise value of your approximation may depend on the conversion path that you choose.A road that is 14 miles long is represented on a map that shows a scale of 1 centimeter being equivalent to 40 kilometers. How many centimeters long does the road appear on the map? Round your result to the nearest tenth of a centimeter.
A. 0.6 cm B. 0.2 cm C. 0.9 cm D. 22.5 cm
Solve.Find the discount rate when the original price is $125.00 and the amount of the discount is $25.00.
A. 8% B. 80% C. 1% D. 20%
Solve the problem.The table lists the distance travelled by a falling object, where t is the elapsed time in seconds and d is the distance in meters.
If the distance is modeled by d(t) = at2, find the distance travelled after 14 seconds.
A. 4705.96 meters B. 784 meters C. 3136 meters D. 960.4 meters
Solve the problem.Find the dimensions of a rectangle whose perimeter is 48 feet and whose area is 135 square feet.
A. 9 feet by 15 feet B. 10 feet by 14 feet C. 8 feet by 16 feet D. 8 feet by 14 feet