exam Maths Puzzle Numerical Ability

I have a question that states: graph: f(x)=-41/(x^2-36). How do I set this up and what does the graph look like?

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exam Other Question

How do you divide this. Someone Help. THANK YOU.
(2x3 - x2 + 3x -1) ÷ (x + 2)
i have another solve for the unknown

8/52 = m/39

again i know this is basic math but i am lost any help please thank you