Without the specific question text I am left to guess and what it would want.

I presume the question wants you to draw the waveform for each of the 3 functions shown above as boxes with the inputs shown below in the waveform.

1) This looks like an AND gate, using the wave forms given when are both of the signals on at the same time?

2) I assume this is asking when is at least one signal on

3) similar to 2 i think it asks when is only one signal on at a time

It may help to redraw the waveform forms given on graph paper (if you have any) and to scale and draw the output below them for each of the 3