Question

Which of the following has no solution?

A x and x
B x ≤ 0 and x
C x ≤ 0 or {x | x ≥

Answer 1

x < 0 and x > 0 NO SOLUTION (look at the picture)

There is no number that is both positive and negative.

x ≤ 0 and x SOLUTION: the number 0

x ≤ 0 or x SOLUTION: all real numbers