Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.
A. line; 
B. line segment; 
C. line; 
D. ray; 
Answer: A
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Use the vectors in the figure below to graph the following vector. 
z - v 
A. 
B. 
C. 
D. 
Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 5 cos t, y = 5 sin t, ? ? t ? 2?
A. x2 + y2 = 1
Clockwise from (1, 0) to (1, 0), one rotation
B. x2 + y2 = 25
Clockwise from (5, 0) to (-5, 0)
C. x2 + y2 = 25
Counterclockwise from (5, 0) to (5, 0), one rotation
D. x2 + y2 = 25
Counterclockwise from (-5, 0) to (5, 0)
Solve the problem.A church steeple casts a shadow 117 ft long, and at the same time a 9.0-ft post casts a shadow 5.0 ft long. How high is the steeple? Round to the nearest unit.
A. 138 ft B. 65 ft C. 9 ft D. 211 ft
Verify the identity.
= csc x + cot x
What will be an ideal response?