1) To learn how to graph radical equations, tryhere.

2) To learn how to find the domain and range of a function, tryhere.

3) For this exercise, they've given you the domain. To find the range, look at thegraph.

4) To learn how to find the inverse of a function, tryhere. Note that the domain of the inverse is the range of the original function, and the range of the inverse is the domain of the original function.

Once you've studied a few lessons and learned the basic terms and techniques, please attempt the exercises. If you get stuck, you can then reply with a clear explanation of where you are having difficulty. Thank you!