Answers

2016-07-07T15:49:25+08:00
COMPOSITION OF FUNCTION
f(g(x)) = [g(x)]^2 + 3 [g(x)]
= (x-2)^2 + 3 (x-2)
= x^2 - 4x + 4 + 3x -6
= x^2 - x - 2
= (x-2)(x+1)
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