saragracegigliotti26 saragracegigliotti26

11-07-2021
Mathematics

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Find the domain of fg. f(x) = x2 +1 g(x) = 1/x a. all real numbers c. all real numbers, except -1 b. all real numbers, except 0 d. all real numbers, except 1

Respuesta :

MuzanKibutsuji MuzanKibutsuji

11-07-2021

fg=f(x)g(x)=(x²+1)/x
The function fg is not defined if the denominator = 0 which means x can’t be 0
So B is the right answer to this question

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