Solve the problem.The motion of a spring-mass system is described by the equation 
where y is the distance in feet from the equilibrium position and t is time in seconds. At which of the following times is the mass moving away from its equilibrium position: t = 1, t = 5/4, t = 7/4, t = 2 ?
A. t = 2
B. t = 1
C. t = 
D. t = 
Answer: A
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Use differentiation to determine whether the integral formula is correct.
dx = -4 cot 
+ C
A. No B. Yes
Solve the exponential equation and express approximate solutions to the nearest hundredth.7 x + 4 = 41
A. x = 1.81 B. x = 1.86 C. x = 2.07 D. x = 1.74 E. x = 2.01
Find the vertex for the parabola whose equation is given.y = -(x - 1)2 + 9
A. (- 1, - 9) B. (1, 9) C. (- 1, 9) D. (9, - 1)
Provide an appropriate response.A major advantage to using an escrow account is:
A. all of these apply to escrow B. it assures the lending agency that property taxes and insurance will be paid in a timely fashion C. the borrower is not required to include an amount for property taxes and insurance each month with their mortgage payment D. the monthly mortgage payment will be reduced by the tax and insurance payment