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13 December, 07:40

Let f (x) = - 3x - 4 and g (x) = 2x - 6. find (f0g) (-7)

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  1. 13 December, 10:19
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    F (x) = - 2x+3

    g (x) = 4x-6.

    Instead of x in f (x), we put g (x).

    fog=-2*g (x) + 3

    -2 (4x-6) + 3

    -8x+12+3

    -8x+15

    fog (4) = - 32+15=-17
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