SOLUTION: Which equation describes the sequence? 9,11,13,15,...? A)t=2n+7 B)t=2n+9 C)t= -2n+9 D)t=2n

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Question 997154: Which equation describes the sequence?
9,11,13,15,...?
A)t=2n+7
B)t=2n+9
C)t= -2n+9
D)t=2n
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The distance between each number is 2 and positive, so that removes c
The numbers are odd, so that removes d
The first term is 9, which is 2n+7 for a sequence beginning with n=1.

Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
A) t = 2n + 7, n = 1, 2, 3, . . .