exam Maths Puzzle Numerical Ability

Thank you hard working folks in advance figured out the points where the grap goes however I need assistance figuring out the doman and range.
1) a)

Given the above graph,

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exam Other Question

Hi,
I need help with the following:

If P = 3y + 7xy - 2x and Q = 9 - 2y, find the value of 3P - 4Q.

Translate the following problems into algebraic equations. It is not req Factor if possible
3(x-2y)^2 + 6(x-2y) - 45

**The answer has to be one of these choices
3(x+2y+5)(x-2y-3) , 3(x-2y-5)(x-2y+3), 3(x+2y-5)(x-2y+3) , 3(x-2y+5)(x-2y-3)