2010000405

SubArea: 
Introduction to sequences
Level: 
A
Project ID: 
2010000405
Source Problem: 
2010000406
Accepted: 
0
Clonable: 
1
Easy: 
1
We are given a sequence (an)n=15 defined by the following graph. Find the formula of the nth term of this sequence.
an=3−2n, n∈{1,  2,  3,  4,  5}
an=2n, n∈{1,  2,  3,  4,  5}
an=1−2n, n∈{1,  2,  3,  4,  5}
an=2n−3, n∈{1,  2,  3,  4,  5}