Help me ASAP pls

What is the inverse of the function f(x) = 2x + 1?

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers