Question Tim has an investment account which compounds interest continuously at a rate of 1.6%. After 5 years, he has
$2400 in the account.
How much money did he initially place in the account?
Round your answer to the nearest dollar.
DO NOT round until you have calculated the final answer.

, 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

1. perpendicular

2. parallel

3. perpendicular

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step-by-step explanation:

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