Expression 4: StartFraction, "x" cubed plus 2 "x" Over "x" squared minus 1 , EndFraction equals StartRoot, "x" squared minus StartFraction, 1 Over "x" , EndFraction , EndRoot Has graph.x3+2xx2−1=x2−1x
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Expression 5: "f" left parenthesis, "x" , right parenthesis equals StartFraction, "x" cubed plus 2 "x" Over "x" squared minus 1 , EndFraction Has graph. To audio trace, press ALT+T.fx=x3+2xx2−1
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Expression 6: "g" left parenthesis, "x" , right parenthesis equals StartRoot, "x" squared minus StartFraction, 1 Over "x" , EndFraction , EndRoot Has graph. To audio trace, press ALT+T.gx=x2−1x
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t = ( a ; b ) = ( -0.5 ; 1.5 ) "t" equals left parenthesis, "a" , "b" , right parenthesis equals left parenthesis, negative 0.5 , 1.5 , right parenthesis Has graph. To audio trace, press ALT+T.t=a,b
Label:
equals=
left parenthesis, negative 0.5 , 1.5 , right parenthesis−0.5,1.5
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Center:
center: left parenthesis, negative 8.1 1 , 4.6 4 , right parenthesis−8.11,4.64