book Maths Puzzle Numerical Ability

I need to state which type od conic the following is:

xy=3

is this a circle?

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book Other Question

If P(4, -5) is a point on the graph of the function y = f(x), find the corresponding point on the graph of y = 2f(x-6).

Thanks. a local park is 30 meters long by 20 meters wide. Plans are being made to double the area by adding a strip at one end and another of the same width on one side. find the width of the strips