Teng Meng Yong's answer to s's Junior College 1 H2 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Teng Meng Yong
Teng Meng Yong's answer
28 answers (A Helpful Person)
1st
To obtain the graph, draw the line y = |0.5x - a| for 0 <= x < 4a, and repeat the graph accordingly, as f(x) = f(x + 4a) for all real x.