Triangle ABC is similar to triangle DEF which proportion can be used to find the length of DE in centimeters

The function models the number of accidents per 50 million miles driven as a function

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?