Which of the following has no solution? {x | x 0} {x | x ≤ 0} and {x | x ≥ 0} {x | x ≤ 0} or {x | x ≥ 0}

Question

Which of the following has no solution?


{x | x < 0} and {x | x > 0}
{x | x ≤ 0} and {x | x ≥ 0}
{x | x ≤ 0} or {x | x ≥ 0}

anonymous · Answer

{x | x < 0} and {x | x > 0} since there is no number that is less than zero and greater than zero at the same time

anonymous · Answer

Ty

anonymous · Answer

Which of the following is a solution of y - x < -3?


(6, 2)
(2, 6)
(2, -1)

amistre64 · Answer

i thought dx was both less than and greater than zero

anonymous · Answer

everything means less than zero

anonymous · Answer

Which of the following is a solution of y - x < -3
you have to try them and see 
for example (6, 2) means $x=6$ and $y=2$ so check if $$2-6<3$$

anonymous · Answer

or rather if $2-6<-3$ 
looks like you get it on the first try

anonymous · Answer

Can you solve another?

anonymous · Answer

Which of the following is a solution of y > |x| - 6?


(-5, 1)
(-1, -5)
(5, -1)

anonymous · Answer

yes, i can solve them all
the question is, do you know what to do to solve this?

anonymous · Answer

Lmao, No :(