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## Main Question or Discussion Point

Quick question on the ramp function, the ramp function can operate like a unit step when used in a gate function correct? Like would r(t)-r(t-2)=r(t)(r(2-t)) my teacher and book gave a really poor explanation of how the ramp function behaves, I know it only has significance when its arg>0. And that like a unit step r(-t) is a reflection across the y axis. It makes since to me that it is but I would appreciate some verification here.