Which statement correctly compares the function shown on this graph with the function y=6 x - 1?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

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?