4. Annie finds another bank, Star Bank, that offers a CD account with a 2% interest rate every month. Star Bank's interest is not compounded. The interest is based on the original amount of deposit. Remember that Annie has $500 to start the account. She will not withdraw or deposit more money in the account for 2 years.
(a) Fill in the table showing the amount of money in the Star Bank CD account over 4 months. 2 points
Months 0 1 2 3 4
Amount in CD account $500 $510 $520.2 $530.6 $541.22
(b) If Annie graphed the relation, what would the y-intercept be? Explain how you know this? 1 point
(c) Is the relation a function? Explain why or why not. 1 point
(d) Is the relation linear? Explain how you know this. If so, state the rate of change and write the equation of the relation, where x is the number of months and y is the amount in the account. If not, give a clear explanation as to why not. 2 points
(e) Annie plans to keep her CD account for 2 years. Which bank would you suggest Annie open her account with. Explain why you think that opening the account with that bank is the better deal.