Given f(x) and g(x) = f(x) + k, use the graph to determine the value of k.

a.) 2
b.) 3
c.) 4
d.) 5

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.