Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the expression.
+ csc x sin x
A. 1 B. sec2 x C. tan2 x D. csc2 x
Mathematics
Use a graphing calculator to find, approximately the range of the function.
 figure 1.png)
Mathematics
Give the amplitude and period of the graph.
?
?
A. Amplitude = 3, period = 4?.
B. Amplitude = 4, period = 
.
C. Amplitude = 4, period = 4?.
D. Amplitude = 3, period = 8?.
E. Amplitude = 4, period = 8?.
Mathematics
Solve the problem.If a rock is thrown vertically upward from the top of a building 80 feet high with an initial velocity of 64 feet per second, the height, h, above ground level after t seconds is given by h = -16t2 + 64t + 80, where h is in feet and t is in seconds. What is the maximum height the rock will reach?
A. 80 ft. B. 144 ft. C. 16 ft. D. 84 ft.
Mathematics