Can anybody help me with this

naww

Step-by-step explanation:

nice laptop tho :)) have a great day

im sorry but i cant realy see it

Step-by-step explanation:

sorry

c

step-by-step explanation:

i think because what else can be a sample of every member

, 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