Question: True/False 1. If (A U B subset A U C) then B subset C. 2. If A exclusive OR B = A exclusive OR C,

True/False

1. If (A U B subset A U C) then B subset C.

2. If A exclusive OR B = A exclusive OR C, then B = C where X exclusive OR Y = (X - Y) U (Y - X).

3. For all A, B A exlusive OR B = B exclusive OR A.

4. If f(n) = theta(n^2) and g(n)= theta(n^2) then (f-g)(n)= theta(n^2) where we define (f - g)(n) = f(n) = g(n) for all n.

5. The complete graph K subscript n has Euler circuit if and only if n is even. (n is the number of vertices).

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