Which is the graph of f(x) = (2) * ? fy
8
1y
8
hy
8
6

6
6
4
4
4
2
2
x
1
2
-2
O
O
O

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.