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15 February, 05:30

Which function has real zeros at x = 3 and x = 7?

f (x) = x2 + 4x - 21

O f (x) = x2 - 4x - 21

Of (x) = x2 - 10x + 21

O f (x) = x2 - 10x - 21

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Answers (1)
  1. 15 February, 07:02
    0
    Option D is the answer
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