4) Consider the following sets: A={x/x³-x²-2x=0) B= (y/y is prime between 1 and 11) C= {z/z is non negative integer) D= (t/t is a positive odd integer) Rewrite the sets in Roster method, and a) Tell what kind of sets are A and B. Why? b) Tell what kind of sets are C and D. Why?

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Q: Any integer of the form 12k + 11 is also of the form а) Зт + 1 b) 5m + 2 4m + 3 бт + 1

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A: Answer

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