Round the whole number to the given place value.8219, thousands
A. 8000
B. 9000
C. 8100
D. 7900
Answer: A
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 3 tan t, y = 4 sec t; -?/2 ? t ? ?/2 
A. 
B. 
C. 
D. 
Solve the problem.The hyperbola 
- 
= 1 is shifted horizontally and vertically to obtain the hyperbola 
Graph the new hyperbola.
A. 
B. 
C. 
D. 
(3 + j2)/(2 + j3) =
a. 12 5 ÄÄ - jÄÄ 13 13 b. 6 5 -ÄÄ + jÄÄ 13 13 c. 12 12 ÄÄ + jÄÄ 13 13 d. 12 5 ÄÄ + jÄÄ 13 13 e. 6 5 ÄÄ - jÄÄ 13 13
Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = cos 
t, s(0) = 0
A. s = 
sin 
t + ?
B. s = 
sin 
t
C. s = sin t
D. s = 2? sin 
t