Evaluate the spherical coordinate integral.
A. 9?2
B. 12?
C. 9?
D. 12?2
Answer: C
Mathematics
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Solve the problem by integration.During each cycle, the velocity v (in ft/sec) of a robotic welding device is given by 
where t is the time (in sec). Find the expression for the displacement s (in ft) as a function of t if 
for 
A. s = t2 - 
tan-1 
B. s = t2 - 
tan-1 
C. s = t2 - 14 sin-1 
D. s = t2 - 14 tan-1 
Mathematics
Locate the point on the rectangular coordinate system.
(-3, 0)
A. F B. C C. G D. J
Mathematics
Solve the equation.4x2 - 5x - 9 = 0
A. x = 
, -1
B. x = 
, 1
C. x = 
, 0
D. x =
, -1
Mathematics
Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 400 pretzels B. 20 pretzels C. 0.8 pretzels D. 800 pretzels
Mathematics