Question

true or false?
A rectangular equation that is not a function may be a function in the polar coordinate system.

Answer 1

may be? you need only one example

Answer 2

i wasn't given any examples :/

Answer 3

What does rectangular equation mean?

Answer 4

i'm not really sure

Answer 5

\[4 = x^2+y^2\]
Not a function in Cartesian coordinates, but it is for polar coords.