Solve the problem.An object is suspended from a coiled spring. It is pulled downward and released. The position P above or below its rest position after t seconds is given by P = -e-x/2? cos xFind all values of t (0 ? t < 4?) for which the object is at the rest position and graph the equation for 
What will be an ideal response?
t = 
; 
; 
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Solve the equation.
= 
for 90° < ? < 180°
A. 154.6° B. 151.8° C. 179.5° D. 2.1°
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. - 
B. - 
C. 
D. -5
Convert to polar coordinates with 
and 
between 
and
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?
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What will be an ideal response?
Determine the dual problem of the given linear programming problem.Maximize 4x + 2y subject to 
A. Minimize 80u + 76v subject to the constraints 
B. Minimize 80u + 76v subject to the constraints 
C. Minimize 80u + 76v subject to the constraints 
D. Minimize 80u + 76v subject to the constraints 
E. none to the above