Solve the problem.Suppose that a weight on a spring has an initial position of 
inches and a period of 
Find a function 
that models the displacement of the weight.
A. s(t) = -5 cos (2?(0.4)t)
B. s(t) = -10 cos (2?(2.5)t)
C. s(t) = -10 cos (2?(0.4)t)
D. s(t) = -5 cos (2?(2.5)t)
Answer: A
Mathematics
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Factor the polynomial as the sum or difference of two cubes.x3 - 729
A. (x - 9)(x2 + 81) B. (x + 9)(x2 - 9x + 81) C. (x - 9)(x2 + 9x + 81) D. (x + 729)(x2 - 1)
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Graph using the slope and the y-intercept.y = 4.953x + 2.038
A. 
B. 
C. 
D. 
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Find the square root.
A. 1
B. 
C. 6
D. 3
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Find the derivative of y with respect to x.y = tan-1 
A. 
B. 
C. 
D. 
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