Money that is collecting interest in a bank account doubles in value every 8 years. when the account was opened, it had 8, or dollars in it. after 32 years, the account balance has doubled 4 times, increasing by a factor of it now has a balance of ·ex pressed as a power, how much money, in dollars, is in the account after 32 years?
a)
b)
c)
d)

, 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

there is nothing below so i cannot

step-by-step explanation:

i think it is c hope that