SOLUTION: Can you please help me solve this x+8 ___ x-4 Determine the values of the variable that must be excluded from the domain. Can you tell me how you got the answer too?

Question 453185: Can you please help me solve this
x+8
___
x-4
Determine the values of the variable that must be excluded from the domain.
Can you tell me how you got the answer too?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You CANNOT divide by zero. So the denominator can't be equal to zero. So this means that . Solve for x to get

So x cannot be equal to 4.

So the domain is the set of all real numbers except x can't be equal to 4. Basically, you can plug in any number you want but 4.
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