Consider the function below.

x -1 0 1 2
f(x) -2 3 8 13

which of the following functions could be the inverse of function f?

a.
x -2 3 8 13
q(x) -1 0 1 2

b.
x 1 0 -1 -2
s(x) -2 3 8 13

c.
x -2 -3 -8 -13
r(x) 1 0 -1 -2

d.
x -1 0 1 2
p(x) 2 -3 -8 -13