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8 November, 22:49

If f (x) = 2x - 9, then f (3) = - 3.

True

False

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Answers (2)
  1. 8 November, 22:55
    0
    F (x) In second equation it is shownig value of x which is 3 If we put this value of x in 1st equation f (3) = 2 (3) - 9 f (3) = 9 - 9 f (3) = 0 So it is false answer is not - 3
  2. 8 November, 23:03
    0
    I m interested to show u the procedure of doing this problem

    given f (x) = 2x-9

    f (3) = 2*3-9=?

    need some conversation for better understanding
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