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9 February, 21:05

Number 18.

What is the value of f (3) if? f (x) = - 5/2x + 4

A. 0.4

B. - 3.5

C. 11.5

D. - 11.5

E. 3.5

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Answers (1)
  1. 9 February, 21:10
    0
    f (x) = - 5/2x + 4

    f (3) = (-5/2) (3) + 4

    f (3) = - 15/2 + 4

    f (3) = - 7.5 + 4

    f (3) = - 3.5

    Answer: B. - 3.5
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