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1 March, 16:27

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

a f (x) = x²+x+4

b f (x) = x²+3x-4

c f (x) = x²-5x+4

d f (x) = - 2x²+10x-8

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Answers (1)
  1. 1 March, 19:45
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    Answer: B, C, D
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