Question

Determine the domain of the following graph:

12
11
10
9
8
7
O +2
6
5
4
3
1
-12-11-10-9 -8/7 -6 -5 -4 -3 -2 -1
-1
-2
2 3 4 56 78
-9
-10
-11
-12
y
1 2 3 4 5 6 7 8 9 10 11 12

Answer 1

- 11 ≤ x < - 2

Explanation:

the domain is the values of x covered by the graph

the left side has a solid circle at x = - 11 indicating that can equal 11

the right side has ab open circle indicating that x cannot equal - 2

then

domain : - 11 ≤ x < - 2