In set notation, what does the expression {x:x>3}\{x:x>3\}{x:x>3} mean?
The set of values of xxx such that xxx is greater than 3.
The set of values of xxx such that xxx is greater than or equal to 3.
The set of values of xxx such that xxx is less than 3.
In the regions outside the roots (the two outer intervals).
Flashcards for Edexcel AS Level Maths Equations and Inequalities, covering the key formulae, methods and definitions you need to recall for Paper 1 and Paper 2. 23 cards drawn from 3.1 Linear Simultaneous Equations, 3.2 Quadratic Simultaneous Equations, 3.3 Simultaneous Equations on Graphs, 3.4 Linear Inequalities, 3.5 Quadratic Inequalities, and 3.6 Inequalities on Graphs, matched to the Edexcel AS Level Maths (8MA0) specification.