Expression 2: left parenthesis, "y" minus "a" , right parenthesis equals 0y−a=0
2
Expression 3: "a" equals 1.3a=1.3
00
1010
3
Expression 4: "y" equals left parenthesis, 1 plus "a" squared , right parenthesis times left parenthesis, "x" minus arctan left parenthesis, "a" , right parenthesis , right parenthesis plus "a"y=1+a2·x−arctana+a