Me i have need to get this done and i will be beaten if it is not finished

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.