exam Maths Puzzle Numerical Ability

Solve each of the following systems by graphing. Examples you might want to review (in order) are: Example 3 (p 681), Example 1 (p 679) and Example 4 (pp 681-682).

10) 2x - y

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exam Other Question
Divide.


x^2-25y^2/5x^2+25y divided by (x^2-5xy)

Thanks! Let f (x)=|x-4| and g(x)+ 2.Find f o g and g o f

Thank you for help