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Daniel J Smith Custom TMUA Set A Paper 2 · Q14

Paper 2Logic & proof

Let xx be a real number

Which one of the following statements is a sufficient condition for exactly two of the other four statements?

Ax≥4x\geq4
Bx>1x>1
Cx2≥10x^2\geq10
Dx≥(x−4)2x\geq(x-4)^2
E0≤x≤30\leq x\leq3

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