Question

NEED HELP
consider the sequence an=an-1-15,with a1=3.the closed form for an is
A.an=-15n+18
B.an=-3n-15
C.an=-15n
D.an=-15

Answer 1

n(n+1)/2

Answer 2

please give me a medal

Answer 3

sdg ergtererhyetyr

Answer 4

whast the answer ?

Answer 5

the first response i gave

Answer 6

is it A,b,c,d?

Answer 7

just a sec

Answer 8

d

Answer 9

in an arithmetic sequence , the ratio between consecutive terms is constant in a geometric sequence ,the diffrence between consecutive terms is constant
A.true
B.false

Answer 10

LOL

Answer 11

That's the consequence of getting the free answer only. Your credit depends on how good the helper is and you have no way to check whether it is correct or not. The wrong answer from ethacountryboy leads to your failure.