Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the velocity for the specific value of t.x = 
, y = 
, t = 5
A. 0.77, 131.2°
B. 0.78, 131.2°
C. 0.77, 41.2°
D. 0.78, 41.2°
Answer: D
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Find the extreme values of the function and where they occur.y = x3 - 3x2 + 1
A. Local maximum at (0, 1), local minimum at (2, -3). B. Local maximum at (0, 1). C. None D. Local minimum at (2, -3).
The graph below shows the number of students enrolled in various courses at State University in spring 2000. Each bar represents a different course, and the height of the bar represents the number of students enrolled. Use the graph to answer the question.
Write an inequality statement using < or > comparing the number of students enrolled in Algebra and History.
A. 70 ? 82 B. 70 < 82 C. 70 ? 82 D. 70 > 82
Find the area of the shaded region.
A. 
B. 
C. 
D. 
Solve.10,000x - 9 = 100,000x
A. 4 B. - 9 C. 36 D. - 36