Question

Which of the following has a solution set of {x | x = 0}?

(x + 1 < -1) ∩ (x + 1 < 1)
(x + 1 ≤ 1) ∩ (x + 1 ≥ 1)
(x + 1 < 1) ∩ (x + 1 > 1)

Answer 1

What about B?

Answer 2

so its B?

Answer 3

\[x \le1-1 ~or~x \le0\]
\[x+1\ge1,x \ge1-1~or~x \ge0\]
\[x \le0~ intersection x \ge0\]
?

Answer 4

oh so its the last one?

Answer 5

@surjithayer

Answer 6

common is only 0
or intersection is 0 only.

Answer 7

so it is option B only.

Answer 8

thank you