Use the graph to determine the domain and range of the relation, and whether the relation is a function.

a.
Domain: {x| -8, 8}; Range: all real numbers; No, it is not a function.
b.
Domain: {x| -8 x 8}; Range: all real numbers; Yes, it is a function.
c.
Domain: {x| -8 x 8}; Range: all real numbers; No, it is not a function.
d.
Domain: {x| -8 x 8}; Range: {y| -12 x 12}; Yes, it is a function.