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OpenStudy (anonymous):
Find the Domain and Range of (x^2-3X-4)/(X-4)
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OpenStudy (cwrw238):
there is one value of x which cannot be in the domain because there is no value of the function for this x hint: check out the denominator
OpenStudy (anonymous):
So the Domain is 4?
OpenStudy (cwrw238):
no - the domain is all the possible values of x, 4 is not one of them because - as I see you know - it makes the denominator zero
OpenStudy (cwrw238):
the domain is all real x except 4
OpenStudy (anonymous):
Oh that makes sense!
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