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3 July, 06:44

Let f (x) = - 3x-4 and g (x) = 2x-6. Find (f ° g) (-7)

A. 28

B. - 20

C. 17

D. 56

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  1. 3 July, 06:55
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    F (x) = - 3x-4

    g (x) = 2x-6

    (f°g) (x) = - 3 (2x-6) - 4 = - 6x + 18

    (f°g) (-7) = - 6 * (-7) + 18 = 42+18=60
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