Evaluate the spherical coordinate integral.
A. 
?
B. 
?2
C. 
?2
D. 
?
Answer: A
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Solve the problem.A sloping ramp is to be built with vertical supports at points B, C, and D as shown. The supports at A and E are 7 and 11 feet high, respectively. How high must the supports be at the points B, C, and D?
A. B = 8 ft, C = 9.5 ft, D = 10 ft B. B = 9 ft, C = 12 ft, D = 13 ft C. B = 8 ft, C = 9.5 ft, D = 11 ft D. B = 8 ft, C = 10.5 ft, D = 13.5 ft
Solve the problem.Betina Gregory owns municipal bonds valued at $7,900, which is 6% of her total investments. What is the value of her total investments? Round to the nearest dollar.
A. $1,317 B. $474 C. $131,667 D. $47,400
Find the cost function for the marginal cost 
and fixed cost of $2,800 (for x = 0).
?
A. 
B. 
C. 
D. 
E. 
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = - 
x4 
A. 
B. 
C. 
D. 