Sketch a Rational function - Questions 12

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In this video, the steps to sketch the rational function \( \displaystyle y = \frac{2 x - 4}{x+2}\), in question 12 of grade 12 practice are presneted.
Question:
Given the function \[ y = \frac{2 x - 4}{x+2} \]
a) Find the domain of the function
b) Find the x and y intercepts of the graph of the function
c) Find the equations of all the asymptotes of the function and any points of intersection of the graph and the horizontal asymptote.
d) Make a table of signs and sketch the graph of the function


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