Write the exponential funtion for the graph shown

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?

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

When solving a logarithm equation, how do you find the missing variable ?