The function consists of three points, as shown in the graph below. Determine the range of the function.
a){-4, 2, 4}
b){-2, 1}
c){-2, 0, 1}
d)none of these
![The function consists of three points as shown in the graph below Determine the range of the functiona4 2 4b2 1c2 0 1dnone of these class=](https://us-static.z-dn.net/files/d98/cf39647de73768d055cf6a92a56a0326.jpg)