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15 March, 22:56

Given the following functions f (x) and g (x), solve (f + g) (5) and select the correct answer below:

f (x) = 8x - 13

g (x) = x - 9

A.) 23

B.) 27

C.) 31

D.) 40

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Answers (1)
  1. 15 March, 23:22
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    F (x) = 8x - 13

    g (x) = x - 9

    (f + g) (x) = f (x) + g (x)

    f (5) = 8 · 5 - 13 = 40 - 13 = 27

    g (5) = 5 - 9 = - 4

    (f + g) (5) = f (5) + g (5) = 27 + (-4) = 23

    Answer: A.) 23
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