Answers

2016-06-20T20:02:15+08:00
The arithmetic sequence is -3, -1, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23.

Starting from -3 up to 23, there is 14 terms in this arithmetic sequence.
1 5 1
2016-06-20T20:02:23+08:00
N = (last term - first term) / d + 1

n = 23 - (-3)/2 + 1

n = 26/2 +1

n = 14
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