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F(x)=2x+7 g(x)=7-x what is fog gof gog
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5 votes
F(x)=2x+7 g(x)=7-x

what is
fog
gof
gog

User Will Hlas
by
7.6k points

1 Answer

3 votes
If f(x) = 2x + 7 & g(x) = 7 - x
then:
fog = 2(7 - x) + 7
= 14 - 2x + 7
= 21 - 2x

gof = 7 - (2x + 7)
= 7 - 2x - 7
= -2x

gog = 7 - (7 - x)
= 7 - 7 + x
= x


User Saravanan I M
by
8.0k points
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