Expression 3: "y" equals "x" plus 6 Has graph. To audio trace, press ALT+T.y=x+6
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Expression 4: "y" equals StartFraction, 8 "x" Over left parenthesis, 3 "x" plus 2 , right parenthesis , EndFraction left brace, negative 20 less than or equal to "x" less than negative 2 thirds , right brace Has graph. To audio trace, press ALT+T.y=8x3x+2−20≤x<−23
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Label: left parenthesis, negative 2 , 4 , right parenthesis Has graph. To audio trace, press ALT+T.−2,4
Label:
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left parenthesis, negative 2 , 4 , right parenthesis−2,4