Suppose that you are holding your toy submarine under the water. You release it and it begins to ascend. The graph models the depth of the submarine.

What are the intercepts of the function in the graph?

[Graphs generated by this script: setBorder(5); initPicture(-1,8,-8,1);axes(1,1,1,1,1);line([0,-3],[6,0]);text([6,.5],"t (sec.)");text([1.5,-7.5],"d (depth)");]

x-intercept: (,)

y-intercept: (,)