Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Answer: D
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Sketch the logarithmic function.f(x) = -4 ln x
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 = -8 sin 
A. simple harmonic; -8 m; 4 sec; 
oscillation/sec
B. simple harmonic; 8 m; 
sec; 4 oscillations/sec
C. simple harmonic; 8 m; 2 sec; 
oscillation/sec
D. simple harmonic; 8 m; 4 sec; 
oscillation/sec
Find the focus and the directrix of the parabola.(y + 4)2 = 12(x - 3)
A. Focus: (0, -4); directrix: x = 6 B. Focus: (6, -4) ; directrix: x = 0 C. Focus: (0, 4); directrix: x = -6 D. Focus: (-1, 3); directrix: x = -7
Solve, finding all solutions in [0, 2?).tan x = 3 cot x
A. No solution
B. 
, 
, 
, 
C. 
, 
, 
, 1
D. 
, 
, 
, 