✔️0 < x < 1
X -3 < x < -2
✔️-1 < x < 0
X 2 < x < 3
Here's how you do it: you go to the graph, and go to the area where the function connects with 0, and follow it to the path where it connects with 1. Is that specific line decreasing or increasing? Nevermind what happens to it after/before those specific numbers, you're focusing on whether the function is increasing or decreasing from 0 to 1. The same apply to the other 3.
7 and 8(7.843 to be exact. Which is closer to 8).
