Use the Vertical Line Test to determine in which of the graphs y is not a function of x.
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A. All of the choices (A, B, C, and D) represent functions.
B. ?x2 + y2 = 16
?
?
C. ?
?
D. ?
?
E. ?
?
Answer: B
Mathematics
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Find the Taylor series for the given function.f(x) = x10 sin x
A. 
B. 
C. 
D. 
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Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.(9a1/7b5/7)2
A. 18a2/7b5/7 B. 81(ab)10/7 C. 9a2/7b10/7 D. 81a2/7b10/7
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Perform the indicated operation.4
+ 2m 
- 3
A. -19my2
B. 19my2
C. 19my3
D. 19my2
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