Expression 8: natural log left parenthesis, negative "x" plus 6 , right parenthesis plus 2 left parenthesis, left brace, 3 less than or equal to "x" less than or equal to 5.8 , right brace , right parenthesis Has graph. To audio trace, press ALT+T.ln−x+6+23≤x≤5.8
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Expression 9: natural log left parenthesis, negative "x" plus 6 , right parenthesis plus 1 left parenthesis, left brace, 2.9 less than or equal to "x" less than or equal to 5.8 , right brace , right parenthesis Has graph. To audio trace, press ALT+T.ln−x+6+12.9≤x≤5.8
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Expression 10: natural log left parenthesis, negative "x" plus 6 , right parenthesis plus 3 left parenthesis, left brace, 2.7 8 less than or equal to "x" less than or equal to 5.8 , right brace , right parenthesis Has graph. To audio trace, press ALT+T.ln−x+6+32.78≤x≤5.8
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Expression 11: left parenthesis, "x" plus 1.2 , right parenthesis squared plus left parenthesis, "y" plus 2 , right parenthesis squared equals .5 Has graph. To audio trace, press ALT+T.x+1.22+y+22=.5
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Expression 12: left parenthesis, "x" minus 1.2 , right parenthesis squared plus left parenthesis, "y" plus 2 , right parenthesis squared equals .5 Has graph. To audio trace, press ALT+T.x−1.22+y+22=.5
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Expression 13: left parenthesis, "x" minus 1.2 , right parenthesis squared plus left parenthesis, "y" plus 2.3 5 , right parenthesis squared equals .1 2 5 Has graph. To audio trace, press ALT+T.x−1.22+y+2.352=.125
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Expression 14: left parenthesis, "x" plus 1.2 , right parenthesis squared plus left parenthesis, "y" plus 2.3 5 , right parenthesis squared equals .1 2 5 Has graph. To audio trace, press ALT+T.x+1.22+y+2.352=.125
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Expression 15: .4 5 "x" squared minus 3.5 left parenthesis, left brace, negative 1.1 5 less than "x" less than 1.1 5 , right brace , right parenthesis Has graph. To audio trace, press ALT+T..45x2−3.5−1.15<x<1.15