+0  
 
+1
48
4
avatar+84 

deleted

 May 6, 2020
edited by VVoidSmiley69  May 27, 2020
 #1
avatar+23687 
+2

The domain is all of the 'x' values which are allowed in the expression....

   In this example, you cannot have a zero denominator    so  x = -8 would not be allowed

       can you see another 'x' that is not allowed? (which would result in a zero denominator?)

 May 6, 2020
 #2
avatar+84 
+1

 

+/- \(i\sqrt{8}\)

VVoidSmiley69  May 6, 2020
 #3
avatar+84 
+1

-2 as well, are there any more?

VVoidSmiley69  May 6, 2020
 #4
avatar+23687 
+1

Just considering REAL numbers for the domain of the fxn.

 

so   -8   and  -2   would be excluded    from all 'x'

 May 6, 2020

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