So i need help with Pre-Calculus , how do you find the domain of this function?

  • Thread starter Thread starter Zebragurl123
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Zebragurl123

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i have problems with pre-calc :( can you please help?

f(x) = -3x / x+2
thanks! :)
 
In this function, x cannot equal -2 because that would make the denominator 0 and you cannot divide by zero. So the domain is {x cannot = -2) or (-infinity, -2), (-2, infinity)
 
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