Expression 2: "C" left parenthesis, "x" , "y" , "r" , right parenthesis equals "x" squared plus "y" squared minus "r" squaredCx,y,r=x2+y2−r2
2
Expression 3: "C" Subscript, 10 , Baseline left parenthesis, "x" , "y" , "e" Subscript, 1 , Baseline , right parenthesis equals left parenthesis, "x" minus 0.1 , right parenthesis to the 10th power plus left parenthesis, "y" minus 0.3 , right parenthesis to the 10th power minus 10 Superscript, "e" Subscript, 1 , Baseline , BaselineC10x,y,e1=x−0.110+y−0.310−10e1