http://prntscr.com/mubjnd
The amplitude can be found as follows
l highest point on graph - lowest point on graph l / 2 =
l -.5 - ( - 3.5) l / 2 =
l -.5 + 3.5 l / 2 =
l 3 l / 2
3 / 2 =
1.5 = Amplitude
OHH thank you!!
