Find, if possible, the number of elements in sets A, B, and C using the given information.n(A - C) = 10n(C - A) = 2n(A ? C) = 22n(A ? B) = 10n((C ? A) - B) = 4n((A ? B) - C) = 4n(B - (A ? C)) = 3n(B ? C) = 7
A. n(A) = 20, n(B) = 14, n(C) = 12
B. n(A) = 16, n(B) = 18, n(C) = 12
C. n(A) = 12, n(B) = 25, n(C) = 20
D. The information is inconsistent or incomplete.
Answer: A
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A. 
= 
+ 
+ 
B. 
= 
+ 
C. 
= 
D. 
= 
+ 
Use the Chain Rule or implicit differentiation to find the indicated derivative.xey + x2 - y = 0. Find 
.
A. 
B. 
C. 
D. 
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