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2 January, 10:52

If f (x) = 3 (x + 4), find f (2).

729

243

81

18

+3
Answers (2)
  1. 2 January, 11:08
    0
    The answer is 18.

    Just replace the x with 2
  2. 2 January, 11:16
    0
    f (2) = 18

    Option 4 is correct

    Step-by-step explanation:

    Given: f (x) = 3 (x+4)

    To find: f (2)

    The given function is linear function with variable x to find the value of function at x=2

    So, put x=2 into the function and simplify it

    f (x) = 3 (x+4)

    f (2) = 3 (2+4)

    f (2) = 3 (6) [ multiply 3 and 6 = 18]

    f (2) = 16

    Hence, The value of f (2) is 18 of the given function.
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