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



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TheViper
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@ganeshie8 plz help :)

moongazer
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g(f(x)) = g(x + 2) = (x + 2)^2  6(x + 2) + 3

moongazer
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do you know what's next?

nik919
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no :(

nik919
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do you distribute the ^2 and the 6 into each parenthesis?

moongazer
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(x + 2)^2 = (x + 2)(x + 2)
 6(x + 2) = 6(x) + 6(2)

nik919
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so would the final answer be x^2  2x  5?

moongazer
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yup :)

nik919
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THANKS!
