Solve the problem.A weight attached to a spring is pulled down 5 inches below the equilibrium position. Assuming that the period of the system is 
second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. y = 5cos 4?t
B. y = 5cos 
t
C. y = -5cos 4?t
D. y = -5cos 2?t
Answer: C
Mathematics
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Write an equation for the parabola with vertex at the origin.Through (6, -12), opening downward
A. y = 
x2
B. x2 = - 
C. x = - 
y2
D. x2 = - 3y
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = x, y = 0, x = 2, x = 6
A. 20?
B. 
?
C. 
?
D. 16?
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Find the perimeter (P) of each figure.Trapezoid
A. 50 m B. 435 m C. 94 m D. 35 m
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Determine whether the ordered pair is a solution of the system of linear equations.(-4, 6);
A. Yes B. No
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