all x < 1 and all x -2-2 < x < 1What's the difference between the two?

There is no difference in terms of result

File: ss+(2016-06-14+at+03.52.18).png (3KB, 184x124px) Image search: [Google] [Yandex] [Bing]

3KB, 184x124px

Also, how do you do this without the use of a calculator?

File: ss+(2016-06-14+at+03.53.16).png (5KB, 395x154px) Image search: [Google] [Yandex] [Bing]

5KB, 395x154px

>>140287
Then which option would you choose here?

>>140291
5.
One who created this question and answers is retarded.

>>140289
http://www.regentsprep.org/regents/math/algtrig/ato3/rdlesson.htm

>>140291
1
the difference is only in the wording
the question asks for "all x"
the answer should also be "all x"

>>140476
5 ended up being the correct answer

>>140287
>>140476
Not true.
>all x < 1 and all x > -2
This means: the union of (-∞, 1) and (-2, ∞), which is (-∞, ∞), i.e. "all real x". This is wrong.
The question tests whether OP understands English.