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13-9.
  1. Given the function , find each of the following. Homework Help ✎

    1. The domain and range.

    2. The inverse equation.

    3. The domain and range of the inverse.

Sketch a graph. What is the smallest x-value you can use before the number under the radical sign becomes negative?
What is the smallest y-value that can result from this equation?

Remember that in an inverse, x and y are interchanged. Reverse the domain and range you found in part (a).