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31 March, 11:54

Using the function f (x) = 2x + 7 find the following: (show your work)

f (2)

f (7)

+2
Answers (2)
  1. 31 March, 13:03
    0
    F (2) = 2 (2) + 7

    f (2) = 11

    f (7) = 2 (7) + 7

    f (7) = 21
  2. 31 March, 14:16
    0
    Replace the x with 2: f (2) = 2*2+7=4+7=11

    replace the x with 7: f (7) = 2*7+7=14+7=21
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