Evaluate as requested.Evaluate the polynomial 2x2- y2+ 2xy for x = -3 and y = -4.
A. 58
B. -58
C. 26
D. -22
Answer: C
Mathematics
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Determine whether the function is a solution of the wave equation.w(x, t) = cos (-6ct) sin (-6x)
A. Yes B. No
Mathematics
Solve the problem.Given the following voter profile, determine which candidate (if any) is a Condorcet Candidate and who will be selected using the Hare Method. Does the Hare Method violate the Condorcet criterion for the voter profile? 
A. b, a; yes B. a, a; no C. a, b; yes D. b, b; no
Mathematics
Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No
Mathematics
Answer the question.Give an example from your everyday life of three planes whose intersection is a single point.
What will be an ideal response?
Mathematics