Expression 1: StartFraction, 100 Over left parenthesis, 100 plus "x" , right parenthesis , EndFraction Has graph. To audio trace, press ALT+T.100100+x
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Expression 2: ( 1 minus left parenthesis, 100 / ( 100 plus "x" ) , right parenthesis ) * 100 Has graph. To audio trace, press ALT+T.(1−100/(100+x))*100