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6. If f (x) =*-x2 1 - x find f (4). 7. Find f(2) g (1) given that f (x) = 3x2 - 4x +

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6. If f (x) =*-x2 1 - x find f (4). 7. Find f(2) g (1) given that f (x) = 3x2 - 4x + 8 and g(x) = 4x -1. 8. If f (x) = x2 - 4x -5, find f (). Show your answer in improper fraction. 9. Prove that f ( 2 ) = 2v2 given the function f (x) = V2. 10. If f (x) =2 x-1 and g(x) = 2x, find f(g(1))

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