Question

Find an explicit rule for the nth term of the sequence.

1, 3, 9, 27, ...

Answer 1

Time 3?

Answer 2

times*

Answer 3

what?

Answer 4

my options are
an = 1 • 3n + 1

an = 3 • 1n - 1

an = 1 • 3n - 1

an = 1 • 3n

Answer 5

Multiply by 3 every time is what it looks like so the last one.
That's what I see

Answer 6

Oh ok. Thanks!