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27 May, 17:32

Let f (x) = 3x2-5x+13 and g (x) = 2x-7. What is g (f (x)) ?

A 6x2-10x+19 B 3x2-3x+6 C 12x2-89x+160 D 6x3-31x2+61x-91

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  1. 27 May, 18:00
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    G (f (x)) = 2 (3x^2-5x+13) - 7

    G (f (x)) = 6x^2-10x+26-7

    G (f (x)) = 6x^2-10x+19 = >A
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