An equation whose variables are polar coordinates is called a polar equation. These equation are characterized by an r as a function an angle. Polar equations can be written in rectangular coordinates by certain relationships. An example of a polar equation would be r = 2sin∅.
Answer:
3
Step-by-step explanation:
C because the x's repeat with the 3 and 3. If the x's repeat it is not a function.
Hope that helps.
