SOLUTION: Determine the domain and range of each relation y=sqrt(x-1)

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Question 44609: Determine the domain and range of each relation
y=sqrt(x-1)

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
y = sqrt(x - 1)
You can not take a square root of a negative number:
x+-+1+%3E=+0+
Domain: x+%3E=+1
Plug:
sqrt%28x+-+1%29+=+sqrt%281+-+1%29+=+0
Range: y+%3E=+0
+graph%28+300%2C+300%2C+-5%2C+5%2C+-5%2C+5%2C+sqrt%28x+-+1%29+%29+