2. [3+3+5':9 marks] For each given equation, you are required to do the following: (a) Plot the graph of the equation. (b) Use the vertical line test to explain if the equation represents a function or not. If the equation represents a function, draw multiple vertical lines (representing all vertical lines) on your plot from part a) to explain why. If the equation does not represent a function, draw one vertical line on your plot from part a) to explain why. x/36m, if 4531-30 . L? .k. : [1) [ mm .5] y _$+9, g 3 g