exam Maths Puzzle Numerical Ability

7/6x^2r + 10/3xr^2

please help!

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exam Other Question

x 9 7
__ - ___ = -__
2 x 2
This is not in the textbook and I would like to have an answer in the next 20 minutes to this problem: What is the x,y intercept, what is the domain and range, and is this a horizo