Function domain and range need answers ASAP! Need answers for all of them

Afudge recipe calls for 1/2 cup of cocoa if only 1/2 of the recipe is made to how much cocoa should you use

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

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.