Determine all values that cause the expression to be undefined.
A. 9
B. None
C. -9
D. 9, 5
Answer: A
Mathematics
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Determine if the given polar coordinates represent the same point.(8, ?/6), (-8, 7?/6)
A. No B. Yes
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region enclosed by the parabolas y = - x2 + 18 and y = x2
A. 
= 0, 
= 
B. 
= 0, 
= 9
C. 
= 9, 
= 0
D. 
= 0, 
= 18
Mathematics
Write the first four terms of the binomial expansion.(x + 4)20
A. x20 + 3040x19 + 3040x18 + 145,920x17 B. x20 + 80x19 + 3040x18 + 18,240x17 C. x20 + 760x19 + 3040x18 + 72,960x17 D. x20 + 80x19 + 3040x18 + 72,960x17
Mathematics
Solve the proportion for x.
= 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics