Please help me with finding out if I am writing the expression for the nth correctly on the sequence I have... I feel like I'm just missing something very simple... Here is what I came up with for the sequence:

(1,1) (2,3) (3,5) (4,7)

A. N
B. N+1
C. N+2
D. N+3

I feel like it's just doesn't seem right, I really appreciate any help or explanation you could offer:). Thanks!!!

Question

Please help me with finding out if I am writing the expression for the nth correctly on the sequence I have...  I feel like I'm just missing something very simple...  Here is what I came up with for the sequence:

(1,1) (2,3) (3,5) (4,7)

A.  N
B.  N+1
C.  N+2
D.  N+3

I feel like it's just doesn't seem right, I really appreciate any help or explanation you could offer:). Thanks!!!

ganeshie8 · Answer

first term a = 1
common difference = d = 2

ganeshie8 · Answer

nth term :  a + (n-1)d

ganeshie8 · Answer

plugin the values :)

anonymous · Answer

Okay, and I should do that for each sequence

ganeshie8 · Answer

humm where are other sequences ?

ganeshie8 · Answer

i see oly one sequence / points :
(1,1) (2,3) (3,5) (4,7)

ganeshie8 · Answer

oh what about the A, B, C, D below that ? 
are they supposed to be options ha ?

ganeshie8 · Answer

A.  N
B.  N+1
C.  N+2
D.  N+3

what are they ?