Question

which counterexample disproves the following statement?
For all number x, 1/x ≤ x
x = 5
x = 100
x = 0.5
x = 2

Answer 1

The statement will be disproven for any positive value of x less than 1 and for any negative value of x less than -1. Among the choices offered, the third one is the best:
  x = 0.5