SOLUTION: NEED HELP ASAP PLEASE!! A savings account starts with $600 and pays 5% interest per year, compounded four times per year. a) A function that models the amount in dollars in the b

Algebra ->  Human-and-algebraic-language -> SOLUTION: NEED HELP ASAP PLEASE!! A savings account starts with $600 and pays 5% interest per year, compounded four times per year. a) A function that models the amount in dollars in the b      Log On


   



Question 277249: NEED HELP ASAP PLEASE!!
A savings account starts with $600 and pays 5% interest per year, compounded four times per year.
a) A function that models the amount in dollars in the bank account after m years is A(m)=____________?
b) How much will be in the savings account after 3 years? $______?
c) The amount in the account will exceed $1400 after ________ years.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




Where is the starting principal, is the interest rate expressed as a decimal, that is 5% is expressed as 0.05, is
the number of years of the investment, and is the number of compounding periods per year.

A function specifically for your given conditions would be:



At 3 years:



You get to do your own calculator work.

Solve your function for after substituting 1400 for A(m)







Again, you can do your own calculator button pushing.

John