Grade 9 Pre-IB Unit 1 CP 35-38

Exercise 2:
( -3, 7 ]

Exercise 3:
( -∞, -5 ]

Exercise 4:
[ -8, 4 ]

Exercise 5:
[ 3, 9 )

2.
( -∞, 5 ]

3.
[ -10, 8 )

4.
( 0, ∞ )

5.
[ -5, 4 ]

6.
( 5, 10 )

7.
( 6, ∞ )