A line is parameterized by and .

(a) Which of the following points are on the section of the line obtained by restricting to nonnegative numbers (for each, enter Y if the point is on the section, and N if not)?
:
:
:
Then, give one more point that is on the section of the line obtained by this restriction:

(b) What are the endpoints of the line segment obtained by restricting to ?
left endpoint :
right endpoint :

(c) How should be restricted to give the part of the line to the right of the -axis (give your answer as an interval for , for example, (3,8) or [-2,Inf))?
must be in :

You can earn partial credit on this problem.