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19 November, 16:22

If f (x) = 1/3x - 2 and g (x) = - 2x - 1, find (f • g) (9). A) 19. B) - 18. C) 0. D) - 19

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  1. 19 November, 19:00
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    F · g = (1/3 x - 2) · ( - 2 x - 1)

    (f · g) (9) = (1/3 · 9 - 2) · ( - 2 · 9 - 1) =

    = (3 - 2) · (-19) = 1 · ( - 19) = - 19

    Answer: D) - 19
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