The sixth term of a sequence is 5. The tenth term is 7.

Which of these position-to-term rules is correct one for the sequence?

A.Term=position number -1

B.Term=2xposition number-7

C.Term=1/2xposition number+2

D.Term=1/6xposition number+4

The sixth term of a sequence is 5. The tenth term is 7.

Which of these position-to-term rules is correct one for the sequence?

A.Term=position number -1

B.Term=2xposition number-7

C.Term=1/2xposition number+2

D.Term=1/6xposition number+4

## Check the possibilities:

## A:

u(n)=n-1u(6)=6–1=Trueu(10)=10–1≠7FalseAiseliminated.B:u(n)=2n–7u(6)=2(6)–7=12–7=5Trueu(10)=2(10)–7=20–7≠7FalseBiseliminated.C:u(n)=0.5n+2u(6)=0.5(6)+2=3+2=5Trueu(10)=0.5(10)+2=5+2=7TrueCisyouranswer.CheckDalthoughweknowit’sC:u(n)=n/6+4u(6)=6/6+4=1+4=5Trueu(10)=10/6+4=2.5+4=6.5≠7FalseB term= 2x position number -7