Expression 2: "y" equals StartFraction, "x" Superscript, 2 thirds , Baseline Over 2 , EndFraction minus left parenthesis, negative "x" squared plus 1 plus StartFraction, "x" Superscript, 4 ninths , Baseline Over 4 , EndFraction , right parenthesis Superscript, 1 half , Baseline Has graph. To audio trace, press ALT+T.y=x232−−x2+1+x49412
2
Expression 3: "y" equals StartFraction, "x" Superscript, 2 thirds , Baseline Over 2 , EndFraction plus left parenthesis, negative "x" squared plus 1 plus StartFraction, "x" Superscript, 4 ninths , Baseline Over 4 , EndFraction , right parenthesis Superscript, 1 half , Baseline Has graph. To audio trace, press ALT+T.y=x232+−x2+1+x49412