The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 4 sin (3t)
A. simple harmonic; 4 m; 
sec; 
? oscillations/sec
B. simple harmonic; 4 m; 
? sec; 
oscillations/sec
C. simple harmonic; 4 m; 3 ? sec; 
oscillations/sec
D. simple harmonic; -4 m; 
? sec; 
oscillations/sec
Answer: B
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Solve the problem.A rectangular horse pen is to be fenced and divided into five partitions as shown. The length of the fenced-in area is to be twice the width, and the total amount of fencing to be used is 290 feet. Find the length and width of the fenced-in area.
A. length = 64.4 feet, width = 32.2 feet B. length = 24.1 feet, width = 12 feet C. length = 58 feet, width = 29 feet D. length = 31 feet, width = 29 feet
Simplify the expression. Assume all variables represent positive real numbers.- 
A. -25 B. -5 C. -4 D. not a real number
Verify the identity.
?
What will be an ideal response?
Graph the inequality on the given number line.-3 < x ? 1
A. 
B. 
C. 
D. 