4x - 2y = 5 and y = 3x - 1

On a piece of paper graph f(x)=5•(0.4)^x

Solve the equation x/4 - 5= -8 -27 -12 -7 12

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.