5. let a be a non-empty set and let s = p(a) be its power set. let b be a non-empty subset of a. on s we define a relation r as r {(a, a2) e s x s|an b = a2n b} describe the equivalence classes of r when a z and b {1, 2, 3

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Which system of linear inequalities is represented by the graph? x-3y > 6 and y? 2x + 4 x + 3y > 6 and y? 2x - 4 x - 3y > 6 and y? 2 - 4 x + 3y > 6 and y > 2x + 4 no be 2 -1.1 1 2 3 4 5 submit save and exit next mark this and retum be

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76