Question

Domain and Range help :)

Answer 1

Given the arithmetic sequence an = 3 + 2(n − 1), what is the domain for n?

All integers where n ≥ 0

All integers where n > 0

All integers where n ≤ 1

All integers where n ≥ 1

Answer 2

@amistre64

Answer 3

any ideas?

Answer 4

I'm pretty sure it's d.

Answer 5

It won't be negative or 0 right? so that's the only option

Answer 6

i agree, alot of authors like to start a seq as a1, a2, a3, ..., an

but there are some that like to start it as a0,a1,a2,a3,...,an

it feels like your material author is using the a1 start to me

Answer 7

Ok just wanted to make sure :) Thanks

Answer 8

youre welcome