Sketch D and g(D) from the description of D and change of variables 
x = u cos v, y = u sin v where D is the rectangle 1 ? u ? 2, 0 ? v ? 
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Answer: D
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Graph the pair of parametric equations with the aid of a graphing calculator.x = cos t + 4 cos 3t, y = 5 cos t - 4 sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 5 sin (5t)
A. simple harmonic; 5 m; 
? sec; 
oscillations/sec
B. simple harmonic; 5 m; 5 ? sec; 
oscillations/sec
C. simple harmonic; 5 m; 
sec; 
? oscillations/sec
D. simple harmonic; -5 m; 
? sec; 
oscillations/sec
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x4 + 3x3 - 4x2 - 10x - 4
A. {1, -2, -2 + 
, -2 - 
}
B. {-1, 2, -2 + 
, -2 - 
}
C. {-1, -2, -2 + 
, -2 - 
}
D. {-1, 3, -2 + 
, -2 - 
}
Solve the system of equations by the substitution method.
A. (4, -2) B. (-2, 4) C. no solution D. (5, -3)