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12 May, 03:24

If f (x) = 5x 40, what is f (x) when x = - 5?

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Answers (2)
  1. 12 May, 05:34
    0
    5 (-5) (40) = f (x) you just multiply everything together, so you would get - 25*40, which is - 1000
  2. 12 May, 06:31
    0
    f (x) = 5x*40 so we know that x=5 so f (5) = (5*5) 40 so we have f (5) = 25*40 and 25*40 = 1000 so 1000/5=f and f is 200
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