SOLUTION: how do I represent this domain mathematically? fx= (3x-8)/(4x+20)

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Question 459883: how do I represent this domain mathematically? fx= (3x-8)/(4x+20)
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
The function f%28x%29=%283x-8%29%2F%284x%2B20%29 is undefined for those values of x that
made the denominator zero. This values is 4x%2B20=0 => x=-5, therefore
the domain of this function in set notation is: { x|x≠-5 }.