Reduce the fraction to simplest form.
A. Cannot be simplified
B. 
C. 
D. 
Answer: B
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Use logic to solve the problem.During vacation time, two students met on a train. One asked the other how old he was. He replied, "The day before yesterday I was 15, and next year I will have my 18th birthday." On what date of the year did the two students meet?
A. Feb 29 B. Dec 31 C. Jan 1 D. Feb 28
Find the extreme values of the function subject to the given constraint.
A. Maximum: none; minimum: 
at 
B. Maximum: none; minimum: 
at 
C. Maximum: none; minimum: 
at 
D. Maximum: none; minimum: 
at 
Use possible symmetry to determine whether the graph is the graph of an even function, an odd function, or a function that is neither even nor odd.
A. Even B. Neither C. Odd
Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x, y) = x2 + y2 - 5x - 9y
A. Relative minimum at 
and saddle point at (0, 0)
B. Relative minimum at 
C. Saddle point at 
D. No relative extrema or saddle points