Expression 3: "y" equals "x" minus 1 sixth "x" cubedy=x−16x3
3
Expression 4: "y" equals "x" minus 1 sixth "x" cubed plus StartFraction, 1 Over 120 , EndFraction "x" to the 5th powery=x−16x3+1120x5
4
Expression 5: "y" equals "x" minus 1 sixth "x" cubed plus StartFraction, 1 Over 120 , EndFraction "x" to the 5th power minus StartFraction, 1 Over 5040 , EndFraction "x" to the 7th powery=x−16x3+1120x5−15040x7