SOLUTION: Find the domain of the following function. express your answer using interval notations. a(r)=R+1/R-1

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Question 906612: Find the domain of the following function. express your answer using interval notations. a(r)=R+1/R-1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
All values of r are acceptable except those that make the denominator equal to zero since division by zero is undefined.
r-1=0
r=1
So in interval notation,
Domain : (-infinity,1)U(1,infinity)