Expression 3: "g" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis equals 0.1 0 2 7 9 6 3 9 9 "x" cubed minus 0.9 7 2 9 8 5 6 5 "x" squared plus 1.6 7 7 6 8 1 8 9 4 "x" plus 2.8 1 5 7 6 1 7 1 8g2x=0.102796399x3−0.97298565x2+1.677681894x+2.815761718
3
Expression 4: "g" Subscript, 3 , Baseline left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over 180 , EndFraction "x" to the 5th power minus StartFraction, 5 Over 72 , EndFraction "x" to the 4th power plus StartFraction, 13 Over 36 , EndFraction "x" cubed minus StartFraction, 85 Over 72 , EndFraction "x" squared plus StartFraction, 83 Over 60 , EndFraction "x" plus 3g3x=1180x5−572x4+1336x3−8572x2+8360x+3