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3 years ago

8

The first term of an arithmetic sequence is a1 = 2, and the third term is a3 = 6. Which of the following could be formula(s) for

the sequence? Select all that apply.
A. an = 2n
B. an = 2n + 2
C. an = n + 2
D. an = an − 1 + 2; a1 = 2

1 answer:

Ulleksa [173]3 years ago

8 0

Answer:

A

Step-by-step explanation:

an=2(1)=2

an=2(3)=6

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