- Joined
- Jun 27, 2021
- Messages
- 5,386
- Reaction score
- 422
For 42, I got -2 < x < 2.
For 44, I got -3/2 <= x <= 1/2.
For 46, I got -4 < x <= 0.
For 48, I got x > sqrt{2}.
For 50, I got x => 0.
For 52, I got x <= -1
For 54, a capital bold letter R represents all real numbers.
You say?