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nik919
 3 years ago
Let f(x) = x + 2 and g(x) = x2  6x + 3. Find g(f(x))
nik919
 3 years ago
Let f(x) = x + 2 and g(x) = x2  6x + 3. Find g(f(x))

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TheViper
 3 years ago
Best ResponseYou've already chosen the best response.1@ganeshie8 plz help :)

moongazer
 3 years ago
Best ResponseYou've already chosen the best response.2g(f(x)) = g(x + 2) = (x + 2)^2  6(x + 2) + 3

moongazer
 3 years ago
Best ResponseYou've already chosen the best response.2do you know what's next?

nik919
 3 years ago
Best ResponseYou've already chosen the best response.0do you distribute the ^2 and the 6 into each parenthesis?

moongazer
 3 years ago
Best ResponseYou've already chosen the best response.2(x + 2)^2 = (x + 2)(x + 2)  6(x + 2) = 6(x) + 6(2)

nik919
 3 years ago
Best ResponseYou've already chosen the best response.0so would the final answer be x^2  2x  5?

moongazer
 3 years ago
Best ResponseYou've already chosen the best response.2this might help you http://www.khanacademy.org/math/algebra/algebrafunctions/v/functionspart2
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