Domain is the set of x-values that can be inputted into function f(x)
Step-by-step explanation:
Since domain encompasses <em>x</em> values only, we are looking at the x-values of the graph. We see that our x-values span from -2 to 3. However, since x = -2 is a open dot, it is NOT included in the domain. Since x = 3 is a closed dot, it IS included in the domain:
