Help i will give points

If u good at math hit me up on insta or sum @basic_jaiden or @ and

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?