Evaluate 3+(-2) help pls I don’t know it’s for math

Which expression is equivalent to 4 square root 6 divided by 3 root 2

If you could answer these your a life saver

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values