Expresión 4: left parenthesis, "x" minus 5 , right parenthesis squared plus left parenthesis, "y" minus 5 , right parenthesis squared less than or equal to 2x−52+y−52≤2
4
Expresión 5: "y" equals "x" squared minus 9 left brace, negative 1.9 4 less than "x" less than 1.9 4 , right bracey=x2−9−1.94<x<1.94
5
Expresión 6: "y" equals 0.2 "x" squared minus 6 left brace, negative 5 less than "x" less than 5 , right bracey=0.2x2−6−5<x<5
6
Expresión 7: "y" equals "x" squared minus 50 left parenthesis, negative 6.5 7 less than "x" less than 6.5 7 , right parenthesisy=x2−50−6.57<x<6.57
