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4 February, 00:36

Which is a quadratic function?

f (x) = 2x + x + 3

f (x) = 0x2 - 4x + 7

f (x) = 5x2 - 4x + 5

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Answers (1)
  1. 4 February, 01:00
    0
    If the last one is supposed to be f (x) = 5x ^ 2 - 4x + 5 then it's that one because it's in ax^2+bx+c form
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