exam
Maths Puzzle
Numerical Ability
whats 21% as a degree out of 360%
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exam Other Question
i dont really understand this either really; x^2-9/x-2 * x^2-4/x-3
i think i solved it totally wrong since i first multiplied the top then the bottom and got x^4 - 13x^2 +36 / x^2 - x - 6.
could someone please show me how to solve it right?
Determine the domain and range of each relation.
y = 2x -3