Expression 1: left parenthesis, "x" , right parenthesis squared plus left parenthesis, "y" minus 5 , right parenthesis Superscript, 2 , Baseline equals 800 left brace, 4.7 less than or equal to "y" less than or equal to 29.8 , right brace left brace, "x" less than or equal to negative 2 , right brace left brace, "x" less than or equal to negative 26.9 3 , right brace. x 2 + y − 5 2 = 8 0 0 4 ...