You deposit $9000 in a savings account that earns 3.6% annual interest compounded monthly. You also save $40 per month in a checking account.


AWrite a function $s$ that represents the balance (in dollars) of your savings account after $t$ years.



$s\left(t\right)=$

Question 2

BWrite a function $B$ that represents the total amount saved after $t$ years.

$B\left(t\right)=$

9000\left(1+\frac{0.036}{12}\right)^{12t}+40\left(\left(\frac{1+0.036}{12}\right)^{12t}-1\right)

Question 3

Find $B\left(3\right)$ .

$B\left(3\right)=$ $