An exponential function has the equation y = (0.5) - 1. Four points from a different function are shown in the table.
For what values of x will the two functions be equal?

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?