One year after sarah started a new job, she had $1200 in her savings account. each year, she added $900 more to the savings account. what function, written in sequence notation, models sarah’s savings account balance n years after starting her new job? an=300n+1200 an=900n+300 an=300n+900 an=900n+1200

an=900n+300

Step-by-step explanation:

took test

Step-by-step explanation:

we are given

One year after Sarah started a new job, she had $1200 in her savings account

so, first term is 1200

Each year, she added $900 more to the savings account

so, common difference is 900

Since, it is arithematic sequence

so, we can use nth term formula

now, we can plug values