Expression 3: "x" equals negative 2.4 left brace, 0 less than "y" less than 5 , right brace Has graph. To audio trace, press ALT+T.x=−2.40<y<5
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Expression 4: "x" equals 2.5 left brace, 0 less than "y" less than 5 , right brace Has graph. To audio trace, press ALT+T.x=2.50<y<5
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Expression 5: left parenthesis, StartFraction, left parenthesis, "x" minus .2 , right parenthesis squared Over 9 , EndFraction , right parenthesis plus left parenthesis, StartFraction, left parenthesis, "y" minus 3 , right parenthesis squared Over 16 , EndFraction , right parenthesis equals 1 left brace, 2.5 less than "y" less than 7 , right brace Has graph. To audio trace, press ALT+T.x−.229+y−3216=12.5<y<7