Question

you start a savings account with $200 and save $300 each month. Write an explicit formula to represent the amount of money you invest into your savings account as an arithmetic sequence. How much money will you have invested after 12 months? HELP!!!

Answer 1

a
`_(n)` = 3500

Explanation:

a
`_(n)` = a + d (n - 1)

a = 200

d = 300

n = 12

a
`_(n)` = 200 + 300 (12 - 1)

= 200 + 300 (11)

= 200 + 3300

a
`_(n)` = 3500