exam Maths Puzzle Numerical Ability

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9 over B-2 plus 9 over B+ 2

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exam Other Question

24 the length of a rectangle is 3 cm longer that twice the width. The area of the rectangle is 90 sq cm. Find the length and width of the rectangle. Why are function notations important?Explore the reasons for function notation how can you explain it or share it with someone else.