Write out the first three terms and the last term of the arithmetic sequence.

A. -1 + 2 + 5 + . . . + 41
B. -1 - 2 + 5 - . . . + 41
C. 2 + 5 + 8 + . . . + 41
D. 2 + 8 + 26 + . . . + 125


Answer: C

Mathematics

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