Describe the conditions under which the statement is true.A ? B = B
A. Always true
B. B ? A
C. A ? B
D. A = ?
Answer: C
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Evaluate the cylindrical coordinate integral.
A. 50? B. 100 C. 150 D. 150?
Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
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Round your answer to the nearest pound of force?
A. 13,582 lb
B. 14,284 lb
C. 13,714 lb
D. 13,746 lb
Find the quotient. Write the answer in standard form.
A. - 
+ 
i
B. 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Decide whether the relation is a function.{(-6, 1), (-5, -6), (1, -6), (2, 8)}
A. Function B. Not a function