Q19 show your work use good handwriting

Transform the polar equation to an equation in rectangular V coordinates. Then identify and graph the equation. r =4 cos 0 Write an equation in rectangular coordinates. (Type an equation.) What is the graph of this equation? O A. circle with center at ( - 2,0) O B. circle with center at (2,0) O C. horizontal line O D. vertical line Select the graph of r = 4 cos 0. O A. O B. O C. OD. O