document.write( "Question 758242: The range of the function f: N→N defined by f(x)= (-1)^x-1 \n" ); document.write( "
Algebra.Com's Answer #461311 by stanbon(75887)\"\" \"About 
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The range of the function f: N→N defined by f(x)= (-1)^(x-1)
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\n" ); document.write( "(-1)^(even natural number) = 1
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\n" ); document.write( "(-1)^(odd natural number) = -1
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\n" ); document.write( "Range = {-1,1}
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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