Prescription for marilyn jones
Piroxicam 20 milligram (mg) capsules: take 1 capsule 2 times a day
Glucotrol 2.5 milligram (mg) tablets: take 1 tablet every morning
Isoniazid 100 milligram (mg) tablets: take 1 tablet 3 times a day

How many milligrams (mg) will Marilyn take of Piroxicam in 90 days ?

you need a common difference between consecutive terms to be constant, like 1,2,3,4 or 2,4,6,8, or 1,3,6,9

question:

could we have options?

, 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