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. Find the velocity of the mass at time t = 3/4 seconds. Is the mass moving toward or away from its equilibrium position or neither?
A. 0 feet/second; neither
B. 3? feet/second; away from equilibrium position
C. 0 feet/second; away from equilibrium position
D. -3? feet/second; toward from equilibrium position
Answer: A
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Multiply.-3x2(-5x5 + 8)
A. 15x7 + 8 B. 15x5 - 24 C. 15x7 - 24x2 D. -9x2
Refer to the following figure and determine the coordinates of point 
and the quadrant in which it is located.
?
?
A. (3, -4) and first quadrant B. (2, -2) and first quadrant C. (2, -2) and fourth quadrant D. (-4, 0) and fourth quadrant E. (3, -4) and fourth quadrant
Evaluate the expression for the given value or values.
for x = -159, y = 0
A. -159 B. 159 C. 0 D. undefined
The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) = 0?
A. -15, 17.5, 25 B. -15, 17.5 C. -15 D. -25, -15, 17.5, 25