U need help ASP . f(x)=1-3X and g (x)=x+4 calculate gf(-2)

asked Sep 15, 2021 10.3k views

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U need help ASP .
f(x)=1-3X and g (x)=x+4 calculate gf(-2)

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4 votes

Answer:

gf (-2) = 11

Explanation:

$f(x) = 1 - 3x \\ g(x) = x + 4 \\ gf( - 2) = ..$

$gf = .. \\ g(1 - 3x) \\ = 1 - 3x + 4 \\ = - 3x + 5 \\ gf = - 3x + 5$

$gf( - 2) = - 3( - 2) + 5 \\ = 6 + 5 = 11$

Tadej Magajna answered Sep 20, 2021

5.9k points

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