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Unattributed TMUA Mock Set A Paper 2 · Q10

Paper 2Logic & proof

Consider the following statement: If xx is a real number, such that x2≤x4x^2\le x^4. Which is the sufficient but not necessary condition for the statement to be true?

Ax=1x=1
Bx<1x<1
Cx>−1x>-1
Dx≤1x\le1
Ex≥−1x\ge-1
Fx≥1 and x≤−1x\ge1\text{ and }x\le-1

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