QUESTION 1 (a) (b) A hero is going to save the world from Covid-19 virus. Guess who? Using appropriate software, sketch the following parametric curve to identify the hero. State the name of the software. Print-screen the curve and the coding that use to sketch the curve. x(t): -7(-(46-21-1-1-2-1-4)+2(1-8-1-12) 29 10 (1-16-1-21)+(4-12-1-16-2)² y(t)= π +10 cos 16 (11-241-114-81-4)-10) 1-1+1)+-(66-1-118-2+51-4) -2 (1-12-1-16)- 12-16--21 +37 --16 55 2 2 +6sin(/(1-41-117-81-4)))+10 -21≤t≤21. (6 Marks) Use appropriate software to sketch each of the following surfaces and identify it. State the name of the software. Print-screen the surfaces and the coding that use to sketch the surfaces. i) 11) iii) z=−√4-x²-y² z=(x-3)²+(y-4)² 12z² = 36x²+49y² (9 Marks)