Answer:
$500.
Explanation:
We have been given that Marty opened a savings account to deposit a portion of his monthly salary. Without considering interest earned, his savings account is modeled by the function
. We are asked to find the amount of money that Marty initially deposited in the account.
We know that initial value of function is the point, where function begins.
To find the amount of money that Marty initially deposited in the account, we will substitute
in our given function as:
Therefore, Marty initially deposited $500.