SOLUTION: Can you help me find the domain and range of a half circle.

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Question 1000783: Can you help me find the domain and range of a half circle.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Without the radius or formula I cannot do that.
But let's say its radius is r.
Let's say it is a half-circle sitting on the x-axis.
Then the domain is [-r,r].
The range would be [0,r]