Question

Identify the 9th term in the following sequence:

7,9,12,16,21.....

Show the formula used as well.

Answer 1

Answer 27 it’s hard to explain so I won’t explain <3

Answer 2

it's 27

after every number the amount goes up

so 7 goes up two and now is a 9 goes up 3 times and is at 12 so on and so forth