1. Points, Lines, and Planes
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For l to intersect P at only one point, l cannot be contained within P.
Example Solution:
Let's start by sketching an arbitrary plane P.
Since line l is to intersect P at only one point, l cannot be completely contained within P. If the line was in the plane, they would intersect at infinitely many points. Thus, we can sketch l as a line that intersects plane P at exactly one point by letting it approach P at an angle.