Expression 9: left parenthesis, negative StartFraction, 2 Over 49 , EndFraction , right parenthesis left parenthesis, "x" plus 4 , right parenthesis left parenthesis, "x" plus 7 , right parenthesis left parenthesis, "x" plus 9 , right parenthesis left parenthesis, "x" plus 12 , right parenthesis left brace, negative 12 less than or equal to "x" less than or equal to negative 4 , right brace−249x+4x+7x+9x+12−12≤x≤−4
9
Expression 10: left parenthesis, "x" minus 9 , right parenthesis squared plus left parenthesis, "y" minus 10.5 , right parenthesis squared equals 4.5 squared left brace, 9 less than or equal to "x" less than or equal to 13.5 , right bracex−92+y−10.52=4.529≤x≤13.5
10
Expression 11: left parenthesis, "x" plus 9 , right parenthesis squared plus left parenthesis, "y" minus 10.5 , right parenthesis squared equals 4.5 squared left brace, negative 13.5 less than or equal to "x" less than or equal to negative 9 , right bracex+92+y−10.52=4.52−13.5≤x≤−9
11
Expression 12: left parenthesis, "x" minus 9 , right parenthesis squared plus left parenthesis, "y" minus 6 , right parenthesis squared equals 9 squared left brace, 9 less than or equal to "x" less than or equal to 18 , right bracex−92+y−62=929≤x≤18
12
Expression 13: left parenthesis, "x" plus 9 , right parenthesis squared plus left parenthesis, "y" minus 6 , right parenthesis squared equals 9 squared left brace, negative 18 less than or equal to "x" less than or equal to negative 9 , right bracex+92+y−62=92−18≤x≤−9
13
Expression 14: "y" equals "x" minus 12 left brace, 9 less than or equal to "x" less than or equal to 12 , right bracey=x−129≤x≤12
14
Expression 15: "y" equals negative "x" minus 12 left brace, negative 12 less than or equal to "x" less than or equal to negative 9 , right bracey=−x−12−12≤x≤−9
15
Expression 16: StartFraction, left parenthesis, "x" minus 0 , right parenthesis squared Over 24 squared , EndFraction plus StartFraction, left parenthesis, "y" minus 5 , right parenthesis squared Over 14 squared , EndFraction greater than or equal to 1x−02242+y−52142≥1