GIVING FREE BRAINLEST TO THE FIRST PERSON TO ANSWER!!! Make sure to stay up to date with these because I do things like this all the time:) NOW what is your fav snack to eat?

cheetos don't really know if its a snack tbh

Step-by-step explanation:

:)

cheetos

Step-by-step explanation:

& thank you:)))

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for