SOLUTION: I ned help understanding how to do these two problems, I have looked through my book and I don't understand. Given: f(x)=1-3x^2 and g(x)=sqrt 4-x A) F dot G (2) B) G dot F (-2

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Question 732580: I ned help understanding how to do these two problems, I have looked through my book and I don't understand.
Given: f(x)=1-3x^2 and g(x)=sqrt 4-x
A) F dot G (2) B) G dot F (-2)

Answer by lokesh mishra(5)   (Show Source): You can put this solution on YOUR website!
F.G MEANS THE VALUE OF FUNCTION F AT G , PUT G IN PLACE OF X IN F, SO ANS IS FOLLOW F.G = 1-3{G(X)}^2 = 1-3{SQRT(4-X)}^2 = 1-3(4-X) = 1-12+3X= 3X-11 , SIMILARLY G.F ,
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