document.write( "Question 30529: Obtain the domain and range for the following equation:\r
\n" ); document.write( "\n" ); document.write( "y= 3x-7/2x+8
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Algebra.Com's Answer #17158 by sdmmadam@yahoo.com(530)\"\" \"About 
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y= 3x-7/2x+8 ----(1)
\n" ); document.write( "Since division by zero is not defined
\n" ); document.write( "(2x+8) SHOULD NOT BE ZERO
\n" ); document.write( "And (2x+8)willbe zero then 2x = -8 which implies x = -82 = -4
\n" ); document.write( "Therefore for (1) to exist, x SHOULD NOT BE (-4)
\n" ); document.write( "Therefore (1) is defined for all x excepting (-4)
\n" ); document.write( "Therefore our answer set is
\n" ); document.write( "the complement of the singleton set {-4} in R the real number system\r
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