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25 September, 23:17

Which functions have real zeros at 1 and 4? Check all that apply.

f (x) = x2 + x + 4

f (x) = x2 - 5x + 4

f (x) = x2 + 3x - 4

f (x) = - 2x2 + 10x - 8

f (x) = - 4x2 - 16x - 1

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Answers (2)
  1. 26 September, 02:07
    0
    B and D

    f (x) = x^2 - 5x + 4

    f (x) = - 2x^2 + 10x-8
  2. 26 September, 03:03
    0
    F (x) = x^2 - 5x + 4

    f (x) = - 2x^2 + 10x-8
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