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5 November, 21:05

If f (x) = 3x + 5 and g (x) = x-1 then f[g (-3) ]

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  1. 5 November, 21:13
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    - 7

    Step-by-step explanation:

    To calculate f (g ( - 3)), evaluate g ( - 3) then evaluate f (x) for this value

    g ( - 3) = - 3 - 1 = - 4, then

    f ( - 4) = 3 ( - 4) + 5 = - 12 + 5 = - 7
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