An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in meters . Find the maximum displacement, the frequency, and the time required for one cycle.d = 4 cos 5t meters
A. displacement = 4 meters; period = 5 ? seconds; f = 
oscillations/second
B. displacement = 4 meters; period = 
seconds; f = 
? oscillations/second
C. displacement = -4 meters; period = 
? seconds; f = 
oscillations/second
D. displacement = 4 meters; period = 
? seconds; f = 
oscillations/second
Answer: D
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is 2.42. The initial value is 3.78. Then a formula for P is
?
A. ?
B. ?
C. ?
D. 
Solve.One end of a wire is attached to the top of a 10-foot pole and the other end is anchored into the ground 5 feet from the base of the pole. Find the length of the wire, rounded to the nearest tenth.
5 feet
A. 15 ft B. 15.5 ft C. 11.7 ft D. 11.2 ft
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Refer to the given system to solve the problem. Find the solution of the system for which x2 = 0 and s1 = 0
A. (x1, x2, s1, s2) = (16, 0, 0, 42) B. (x1, x2, s1, s2) = (90, 0, 0, 64) C. (x1, x2, s1, s2) = (32, 0, 0, 45) D. (x1, x2, s1, s2) = (18, 0, 0, 28)