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

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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

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Acacia 5 years 2021-07-21T06:08:55+00:00 1 Answers 21 views 0

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  1. Nem
    0
    2021-07-21T06:10:12+00:00
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    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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