Espressione 21: "y" equals negative 1.6 left parenthesis, "x" minus 16.3 , right parenthesis squared plus 56 left brace, "y" greater than or equal to 53 , right bracey=−1.6x−16.32+56y≥53
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Espressione 22: "y" equals negative 1.6 left parenthesis, "x" minus 8.1 9 , right parenthesis squared plus 56 left brace, "y" greater than or equal to 53 , right brace left brace, "y" greater than or equal to 53 , right brace left brace, "x" greater than or equal to 8.1 4 7 , right bracey=−1.6x−8.192+56y≥53y≥53x≥8.147
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Espressione 23: "y" equals negative 1.6 left parenthesis, "x" minus 10.9 , right parenthesis squared plus 56 left brace, "y" greater than or equal to 53 , right bracey=−1.6x−10.92+56y≥53
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Espressione 24: "y" equals negative 1.6 left parenthesis, "x" minus 13.6 , right parenthesis squared plus 56 left brace, "y" greater than or equal to 53 , right bracey=−1.6x−13.62+56y≥53
