Expression 1: negative arc tangent left parenthesis, "x" , right parenthesis Has graph. To audio trace, press ALT+T.−arctanx
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Expression 2: "f" left parenthesis, "x" , right parenthesis equals negative left parenthesis, 3 "x" Superscript, StartFraction, 1 Over 17 , EndFraction , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.fx=−3x117