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Maths Puzzle
Numerical Ability
Why might function notation be important? What are the reasons for function notation?
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book Other Question
(x2+1/x2)(x+1)
Write the letter corresponding to the two equations that represent perpendicular lines.
(A) y = 3x - 4
(B) y = 1/3x + 4
(C) y = -1/3x + 4
(D) y = 1/3x - 4