Graph each pair of parametric equations. (2 points each)

x = 3 sin3t
y = 3 cos3t

x = 7 sin t + sin 7t
y = 7 cos t + cos 7t

x = 2t
y = t + 5, -2 ≤ t ≤ 3

x = 2t – 1
y = t2 + 5, -4 ≤ t ≤ 4

x = 6 sin t
y = 6 cos t, 0 ≤ t ≤ 2π