y=|3x|-1
graph it
firset sketch y = |3x|
It will be a V shaped graph, opening upwards with its vertex at (0,0)
now y = |3x| - 1 would simply drop it down 1 unit.
https://www.wolframalpha.com/input/?i=plot+y+%3D+%7C3x%7C+-+1
graph it
It will be a V shaped graph, opening upwards with its vertex at (0,0)
now y = |3x| - 1 would simply drop it down 1 unit.
https://www.wolframalpha.com/input/?i=plot+y+%3D+%7C3x%7C+-+1