SOLUTION: I need to find the domain of f(x) = 3x – 9 4x + 20

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Question 463211: I need to find the domain of f(x) = 3x – 9
4x + 20
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) =(3x–9)/(4x+20) Write it this way.
Domain: x=all real numbers except -5 because that would cause a division by zero error.
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Ed