The Graph of a Limacon Curve Is Given $[ - 5,5 ]$

Multiple Choice

The graph of a limacon curve is given. Without using your graphing calculator, determine which equation is correct for
the graph.
-
$[ - 5,5 ]$ by $[ - 5,5 ]$

A) $r = 2 - 2 \cos \theta$
B) $r = 3 - 2 \cos \theta$
C) $r = 3 - \sin \theta$
D) $r = 3 - \cos \theta$