Jimmy wants to keep track of a friend's college savings account and use slope-intercept form to build a function, y=mx+b. what information will he need to know to accurately keep track of the account and create a function that will give the number of dollars in the account based on the number of months his friend will save money for college?

a) the amount of months he will save money for college, and use that amount of time for x

b) all of the above.

c) the amount of money he will save each month, and use that for slope or m

d) the initial amount of money used to start the account, and use that deposit for b