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6 November, 01:42

The function f (x) varies inversely with x and f (x) = 4 when x = 12.

what is f (x) when x = 3?

A. 1

B. 9

C. 16

D. 19

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Answers (2)
  1. 6 November, 02:22
    0
    Seriously know the answer, its 16, not 1. Just did it.
  2. 6 November, 03:01
    0
    The function is f (x) = 1/3*x

    if x=3

    f (x) = 1/3*3

    f (x) = 1

    The answer is A
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