Expression 7: "f" left parenthesis, "x" , right parenthesis equals 7.4 5 left brace, negative 3.3 5 less than or equal to "x" less than or equal to 3.3 5 , right brace Has graph. To audio trace, press ALT+T.fx=7.45−3.35≤x≤3.35
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Expression 8: "y" equals negative 0.6 1 "x" plus 5.3 9 left brace, negative 5.9 less than or equal to "x" less than or equal to negative 3.4 , right brace Has graph. To audio trace, press ALT+T.y=−0.61x+5.39−5.9≤x≤−3.4
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Expression 9: "y" equals .6 1 "x" plus 5.3 9 left brace, 3.4 less than or equal to "x" less than or equal to 5.9 , right brace Has graph. To audio trace, press ALT+T.y=.61x+5.393.4≤x≤5.9
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Expression 10: "y" equals negative 0.1 9 left parenthesis, "x" plus 5.9 , right parenthesis squared minus 3.4 left brace, negative 10 less than or equal to "x" less than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.y=−0.19x+5.92−3.4−10≤x≤0
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Expression 11: "y" equals negative 0.1 9 left parenthesis, "x" minus 5.9 , right parenthesis squared minus 3.4 left brace, 0 less than or equal to "x" less than or equal to 10 , right brace Has graph. To audio trace, press ALT+T.y=−0.19x−5.92−3.40≤x≤10
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Expression 12: "y" equals negative 0.2 8 left parenthesis, "x" plus 13.5 , right parenthesis squared minus 3.3 left brace, negative 18 less than "x" less than negative 10 , right brace Has graph. To audio trace, press ALT+T.y=−0.28x+13.52−3.3−18<x<−10
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Expression 13: "y" equals negative 0.2 8 left parenthesis, "x" minus 13.5 , right parenthesis squared minus 3.3 left brace, 10 less than "x" less than 18 , right brace Has graph. To audio trace, press ALT+T.y=−0.28x−13.52−3.310<x<18