Expression 16: .7 "x" plus 3.5 left brace, negative 2.4 less than or equal to "x" less than or equal to negative 1 , right brace Has graph. To audio trace, press ALT+T..7x+3.5−2.4≤x≤−1
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Expression 17: negative .7 "x" plus 3.5 left brace, 2.4 greater than or equal to "x" greater than or equal to 1 , right brace Has graph. To audio trace, press ALT+T.−.7x+3.52.4≥x≥1
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Expression 18: left parenthesis, "x" minus .5 , right parenthesis squared plus left parenthesis, "y" minus 4.5 , right parenthesis squared less than .1 6 squared Has graph. To audio trace, press ALT+T.x−.52+y−4.52<.162
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Expression 19: left parenthesis, "x" plus .5 , right parenthesis squared plus left parenthesis, "y" minus 4.5 , right parenthesis squared less than .1 6 squared Has graph. To audio trace, press ALT+T.x+.52+y−4.52<.162
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Expression 20: "y" equals 4 left brace, negative .2 5 less than or equal to "x" less than or equal to .2 5 , right brace Has graph. To audio trace, press ALT+T.y=4−.25≤x≤.25
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Expression 21: StartFraction, left parenthesis, "x" plus .5 , right parenthesis squared Over left parenthesis, .3 0 , right parenthesis squared , EndFraction plus StartFraction, left parenthesis, "y" minus 4.5 , right parenthesis squared Over left parenthesis, .2 , right parenthesis squared , EndFraction less than 1 Has graph. To audio trace, press ALT+T.x+.52.302+y−4.52.22<1
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Expression 22: StartFraction, left parenthesis, "x" minus .5 , right parenthesis squared Over left parenthesis, .3 0 , right parenthesis squared , EndFraction plus StartFraction, left parenthesis, "y" minus 4.5 , right parenthesis squared Over left parenthesis, .2 , right parenthesis squared , EndFraction less than 1 Has graph. To audio trace, press ALT+T.x−.52.302+y−4.52.22<1
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Expression 23: "y" equals 1.8 left parenthesis, "x" minus .5 , right parenthesis squared plus 3.2 left brace, .5 greater than or equal to "x" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.y=1.8x−.52+3.2.5≥x≥0
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Expression 24: negative 1.1 "x" plus 3.7 equals "y" left brace, negative .2 7 less than or equal to "x" less than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.−1.1x+3.7=y−.27≤x≤0
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Expression 25: 1.1 "x" plus 3.7 equals "y" left brace, .2 7 greater than or equal to "x" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.1.1x+3.7=y.27≥x≥0
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Expression 26: "x" squared plus left parenthesis, "y" minus 3.6 , right parenthesis squared less than .5 Has graph. To audio trace, press ALT+T.x2+y−3.62<.5
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Expression 27: "y" equals 1.8 left parenthesis, "x" plus .5 , right parenthesis squared plus 3.2 left brace, negative .5 less than or equal to "x" less than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.y=1.8x+.52+3.2−.5≤x≤0
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Expression 28: "y" equals "x" squared plus 3 left brace, negative .4 5 2 less than "x" less than .4 5 2 , right brace Has graph. To audio trace, press ALT+T.y=x2+3−.452<x<.452
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Expression 29: left parenthesis, "x" plus .7 5 , right parenthesis squared plus left parenthesis, "y" minus 4.1 , right parenthesis squared less than .0 0 8 left brace, "y" less than or equal to 4.1 4 , right bracex+.752+y−4.12<.008y≤4.14
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Expression 30: "y" equals 2 "x" plus 5.8 left brace, 4.1 4 less than or equal to "y" less than or equal to 4.3 , right bracey=2x+5.84.14≤y≤4.3
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Expression 31: "y" equals negative 2 "x" plus 2.8 left brace, 4.1 4 less than or equal to "y" less than or equal to 4.3 , right bracey=−2x+2.84.14≤y≤4.3
