Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 9.31
B. 10.87
C. 7.62
D. 5.43
Answer: C
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Find the slope of the line passing through the pair of points or state that the slope is undefined.(6, 1) and (-4, -1)
A. 
B. 0
C. 5
D. - 
Use the accompanying graph of a particle moving on a coordinate line with velocity v = f(t) in ft/sec at time t seconds. The axes are marked off at one-unit intervals. Use these terms to describe the motion state: moving forward/backward, increasing/decreasing speed, and resting. Recall that speed = 
. 
Give the interval(s) when the particle is moving backward.
A. (8, 11) and (19, 21) B. (8, 21) C. (11, 19) D. (0, 8) and (21, 25)
Find the exact value of the expression.cos 165°
A. 
B. 
C. 
D. 
Use the given values of the variables to find the value of the expression.
for x = -1, y = -4, a = 1
A. 27
B. 
C. 
D. 33