Oliwia is opening a bank account. She learns that there is a special promotion where if she deposits $3,000 and then makes no additional deposits or withdrawals, her account will earn $3 in interest per month. Write the equation of a linear function that models the relationship between number of months and total amount of money Oliwia will have in her account

Let's assume that the initial deposit Oliwia makes is represented by the variable "d" (where d = $3,000), and the monthly interest she earns is represented by the variable "m" (where m = $3).

To find the equation of a linear function that models the relationship between the number of months (represented by the variable "n") and the total amount of money in her account, we need to consider the formula for calculating the amount of money in her account at a given month.

The formula for calculating the amount of money after n months is:
Total amount = d + (m * n)

Substituting the values of d and m into the formula, the equation becomes:
Total amount = 3000 + (3 * n)

Therefore, the equation of the linear function is:
Total amount = 3000 + 3n