Question

What are the first four terms of the sequence shown below?

an = 2n

Answer 1

an = 2n

1 = 2(1) = 2

2 = 2(2) = 4

3 = 2(3) = 6

4 = 2(4) = 8

so, the first four terms are 2 , 4 , 6 , 8.