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find all numbers that are not in the domain of the expression. then give the domain in set notation.
[tex] \frac{z}{z - 7} [/tex]

Respuesta :

ElectricProgramer
The only number that is not in the domain is 7, since that would make the denominator equal to 0.

It can be shown as {x | x < 7, x > 7}

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