f(x) = (x-2)/(x-4)
g(x) = 3/(x-5)
find the domain
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f(x) = (x-2)/(x-4)
g(x) = 3/(x-5)
find the domain
For the first one, the domain is (-infinity , 4) U (4 , +infinity) (all real numbers except 4)Quote:
 = \frac 3{(x-5)})
For the second one, the domain is (-infinity , 5) U (5 , +infinity) (all real numbers except 5)
do you understand why 4 and 5, respectively, are not included in the domain? It's simply because dividing by zero is not defined.
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