document.write( "Question 468991: Someone Please help me!\r
\n" ); document.write( "\n" ); document.write( "Given the following A={1,2,3} B={1,2,3,4,5} and C= {4,5,6,7} Evaluate each set
\n" ); document.write( "a) A intersection B
\n" ); document.write( "b) A union C
\n" ); document.write( "c) B union C
\n" ); document.write( "d) (A union B)intersection C
\n" ); document.write( "e) A union (B union C)
\n" ); document.write( "f) (A intersection B) intersection C
\n" ); document.write( "g) (A intersection B)union C
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Algebra.Com's Answer #321764 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "Given; A={1,2,3} B={1,2,3,4,5} and C= {4,5,6,7}\r
\n" ); document.write( "\n" ); document.write( "a) A intersection B\r
\n" ); document.write( "\n" ); document.write( "The INTERSECTION of two sets is the set of elements which are in both sets.\r
\n" ); document.write( "\n" ); document.write( "A intersection B={1,2,3}\r
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\n" ); document.write( "\n" ); document.write( "b) A union C\r
\n" ); document.write( "\n" ); document.write( "The UNION of two sets is the set of elements which are in either set.\r
\n" ); document.write( "\n" ); document.write( "A union C={1,2,3,4,5,6,7}\r
\n" ); document.write( "\n" ); document.write( "c) B union C={1,2,3,4,5,6,7}\r
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\n" ); document.write( "\n" ); document.write( "d) (A union B)intersection C={1,2,3,4,5}intersection {4,5,6,7}={4,5}\r
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\n" ); document.write( "\n" ); document.write( "e) A union (B union C)= {1,2,3} union {1,2,3,4,5,6,7}={1,2,3,4,5,6,7}\r
\n" ); document.write( "\n" ); document.write( "f) (A intersection B) intersection C={1,2,3} intersection {4,5,6,7}={ }\r
\n" ); document.write( "\n" ); document.write( "g) (A intersection B)union C={1,2,3} union {4,5,6,7}={1,2,3,4,5,6,7}\r
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