book Maths Puzzle Numerical Ability

i would like to know the step by step procedure to graph
y=3/x/-1 and it's inverse function.

thank you.

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book Other Question

TWO NUMBERS HAVE A DIFFERENCE OF TEN AND THE SUM OF THIRTY-FOUR, WHAT ARE THE NUMBERS? write the following using only positive exponents
x^2/y^-3
x^3y^-5
x^2y^3t^-42^6w