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14 August, 02:21

F (x) = - 5x - 4, find f (x) when x = 5

A f (5) = 21

B f (5) = - 29

C f (5) = - 5

D f (5) = - 24

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  1. 14 August, 02:44
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    f (x) = - 5x - 4

    substitute the value of x = 5 to the equation of the function:

    f (5) = - 5 (5) - 4 = - 25 - 4 = - 29

    Answer: B. f (5) = - 29
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