Expression 5: StartFraction, 1 Over 4 , EndFraction left parenthesis, "x" minus 18.4 5 , right parenthesis squared plus 95 left brace, 3 less than or equal to "x" , right brace left brace, "x" less than or equal to 29.2 5 , right brace14x−18.452+953≤xx≤29.25
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Expression 6: negative 1 quarter left parenthesis, "x" minus 38.3 8 , right parenthesis squared plus 145 left brace, 29.2 5 less than or equal to "x" , right brace left brace, "x" less than or equal to 51.2 6 , right brace−14x−38.382+14529.25≤xx≤51.26
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Expression 7: 10sine left parenthesis, 1 half "x" minus 4 , right parenthesis plus 100 left brace, 51.2 6 less than or equal to "x" , right brace left brace, "x" less than or equal to 64.4 7 , right brace10sin12x−4+10051.26≤xx≤64.47
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Expression 8: negative 1 third left parenthesis, "x" minus 59.1 , right parenthesis squared plus 110 left brace, 64.4 7 less than or equal to "x" , right brace left brace, "x" less than or equal to 67.7 5 , right brace−13x−59.12+11064.47≤xx≤67.75