HElLP me PLZ 20 points but give the answer

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

The square root of 9x plus 7 plus the square rot of 2x equall to 7