In Exercises 9-12, match the equation with its graph without using your graphing calculator.
[−4.7,4.7] by [−4.1,2.1]
(a)
[-4.7, 4.7] by [-3.1, 3.1]
(b)
(c)
[-4.7, 4.7] by [-4.1, 2.1]
(d)
12. Is the graph in (d) the graph of r=2+1.5cosθ or r=2−1.5sinθ ? Explain.