Expression 2: "y" Subscript, 1 , Baseline tilde StartFraction, "b" plus "c" "x" Subscript, 1 , Baseline plus "d" "x" squared Over 1 plus "g" "x" Subscript, 1 , Baseline plus "j" "x" squared , EndFractiony1~b+cx1+dx211+gx1+jx21
2
Expression 3: "y" equals StartFraction, 350 plus negative 467.6 0 5 "x" plus 93.2 7 3 1 "x" squared Over 1 plus negative 1.1 9 4 6 "x" plus 0.2 3 7 5 2 5 "x" squared , EndFractiony=350+−467.605x+93.2731x21+−1.1946x+0.237525x2