document.write( "Question 1091728: A transformation T : (x, y) (x + 3, y + 1).
\n" ); document.write( "The preimage of the point (4, 3) is..?
\n" ); document.write( "A.) (7, 4)
\n" ); document.write( "B.) (1, 2)
\n" ); document.write( "C.) (-1, -2)
\n" ); document.write( "Please explain this to me. Thank you.
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Algebra.Com's Answer #706176 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "A transformation T : (\"x\", \"y\") (\"x+%2B+3\", \"y+%2B+1\").\r
\n" ); document.write( "\n" ); document.write( " the preimage of the point (\"4\",\"+3\") is:\r
\n" ); document.write( "\n" ); document.write( "\"x+%2B+3=4\"-> \"x=4-3\"-> \"x=1\"
\n" ); document.write( "\"y+%2B+1=3\")-> \"y=3-1\"-> \"y=2\"\r
\n" ); document.write( "\n" ); document.write( "the preimage of the point (\"4\",\"+3\") is (\"1\",\"+2\") and answer is B.
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