Question

what is the name of the shape graphed by the function r=2cos(3 theta)?


A. rose with 3 pedals
B. limacon with inter loop
C. line
D. circle

Answer 1

A

Answer 2

Limacons follow the format:\[r = a + b \cos \theta\]

Answer 3

Rose follows:\[r = a \sin n \theta\]\[r = a \cos n \theta\]

Answer 4

So its choice A.