R is the set of positive even integers less than 101, and S is the set of the squares of the integers in R. How many elements does the intersection of R and S contain ? Choose the correct answer.
A) None B) Two C) Four D) Five E) Seven
R is the set of positive even integers less than 101, and S is the set of the squares of the integers in R.   How many elements does the intersection of R and S contain?   R=2,4,6,8,10,12...   S=4,16,36,64...   Numbers: 4, 16, 36, 64, and 100 are even integers (less than 101) that are in both sets.   Solution: Five   Answer: Five
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R is the set of positive even integers less than 101, and S is the set of the squares of the integers in R. How many elements does the intersection of R and S contain ?