SOLUTION: Please answer this question: Find the domain of the function 2x-1/2x+1

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Question 362403: Please answer this question:
Find the domain of the function
2x-1/2x+1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The domain is all x values for which the function is defined.
The function is undefined when the denominator equals zero.
2x%2B1=0
2x=-1
x=-1%2F2 is excluded from the domain.
.
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Domain:(-infinity,-1%2F2)U(-1%2F2,infinity)