exam Maths Puzzle Numerical Ability

Add this problem with unlike denominators:
4xy/x2-y2 + x-y/x+y

Thank you

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exam Other Question

Jason is a salesperson in the electronics department. He is 25% short of his goal for the week. His goal is to earn 448. for each CD player he sells he earns 56.00. how many CD players does he need to sell in order to meet his goal? Find the domain and range of the function
{{{{{18x^2-2}}}}}
Domain:
Range:
write the answer in interval notation. for the range just remember that x^2 is never ne