SOLUTION: Which sequence uses the algebraic expression 4n+5 to describe the relationship between a term in the sequence and its position, n, in the sequence? A. 4,9,14,19,24... B. 4,

Question 863689: Which sequence uses the algebraic expression 4n+5 to describe the relationship between a term in the sequence and its position, n, in the sequence?
A. 4,9,14,19,24...
B. 4,8,12,16,20...
C. 9,13,17,21,25...
D. 9,10,11,12,13...
I have NO IDEA how to figure this out! Help?????????
Found 2 solutions by ewatrrr, richwmiller:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
C. 9,13,17,21,25...
4n+5
4 + 5 = 9 when n = 1
8 + 5 = 13 when n = 2
12 + 5 = 17 when n = 3
etc...
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
take 4n+5 and sub in the position of a term and see if the right number is the result
lets look at position 2
4n+5=
4*2+5=
8+5=
13
look at C)
the second number is 13
C) Let's try one more to be sure
try position 4 and result 21
4*4+5=21
16+5=21
21=21
it works

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