For f(x) = 7x+7 and g(x)=9x, find the following composite functions and state the domain of each.

ngombangouh

ngombangouh

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2022-09-02

For f(x) = 7x+7 and g(x)=9x, find the following composite functions and state the domain of each.

Answer & Explanation

elgrupomentasb

elgrupomentasb

Beginner2022-09-03Added 9 answers

f ( x ) = 7 x + 7 g ( x ) = 9 fog = f ( g ( x ) ) = f ( 9 x ) = 7 x 9 x + 7 = 63 x + 7 gof = g ( f ( x ) ) = g ( 7 x + 7 ) = 9 ( 7 x + 7 = 63 x + 63 fof = f ( f ( x ) ) = f ( 7 x + 7 ) = 7 ( 7 x + 7 ) + 7 = 49 x + 56 gog = g ( g ( x ) ) = g ( 9 x ) = 9 ( 9 x ) = 81 x
and all have domin R or ( , )

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