(b) The following shows the graph of the parametric equations: x = 3t¹ + t²+1, y = t³ - 2t 1 -1 Figure 1 Determine the derivative not defined. x = 3² + 7 + 1₁y = {²-21 10 dy dz and the real values of t where this derivative is

Determine which of the following parametric equations matches the graph. O x = sint, y = sect" 0.8 Ox=f³+1₁ y = -t II 0.6 0.4 -0.8 -0.6 -0.4 -02 0.2 0.2 -0.4+ O x = sinht, y = cosht O x = sin 4t, y = sin(t+ sin3t) Q x = sin 3t, y = cos(t²-4t) -0.6+ -0.8+ 0.2 0.4 0.6 0.8 A