**None of the offered choices is correct**.

(a) the range includes 9, which is not between -12 and 5.

(b) there are two different values given for (1, ), so the relation does not meet the definition of a function

(c) the range includes 8, which is not between -12 and 5. Also, there are two different values given for (7, ), so the relation does not meet the definition of a function.

Refer to the graph below. You want 4 points inside the gray area such that no two are above/below each other. The blue, green, red points are the sets you have provided here.