determine the range of the following graph

Answer:
Range: [-6, 8]
Step-by-step explanation:
Range is the set of y-values that are outputted by function f(x).
From the graph we see that our y-values span from -6 to 8. Since both are closed dot, they are included in the range:
[-6, 8] or -6 ≤ y ≤ 8