Question

What is the explicit rule for the arithmetic sequence shown in the graph?

20
18
16
14
12
10
00
8
6
4
2
an
(3, 13.5)
◆ (2, 11:5)
(1,9.5)
(5, 17.5)
(4, 15.5)
(6, 19.5)
1 2 3 4 5 6 7 8 9
Oa₂=-23+2(n-1)
a, -2.75+0.5(n-1)
a, 9.5+2(n-1)
n

Answer 1

Explanation:

You would have to look at the graph add all the points and then divide negative points to get your answer.