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5 March, 19:31

If y (x) = 3 (x+5) + -, what is

a + 2) ?

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Answers (1)
  1. 5 March, 19:46
    0
    f (a + 2) = 3a + 21

    Step-by-step explanation:

    f (x) = 3 (x+5)

    x = a + 2

    f (a + 2) = 3 (a + 2 + 5)

    f (a + 2) = 3 (a + 7)

    f (a + 2) = 3a + 21
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