Inverse Functions Inverse functions An inverse function is the opposite to the original function It is denoted by f-1(x) An inverse only exists for one-to-one functions Graphs of inverse functions ...
Composite Functions What is a composite function? A composite function is where one function is applied after another function The ‘output’ of one function will be the ‘input’ of the next one Somet...
Language of Functions Language of functions The language of functions has many keywords associated with it that need to be understood What are mappings? A mapping takes an ‘input’ from one set of v...
Inequalities on Graphs Inequalities on graphs Inequalities can be represented on graphs by shaded regions and dotted or solid lines These inequalities have two variables, x and y Several inequaliti...
今天，爱德思考试局和牛津AQA考试局正式公布了2022年夏季A-Level成绩。连同前段时间已经公布成绩的CIE考试局，本季度参与报名的全部学生目前都已经可以在官网进行相关成绩查询啦~ 爱德思考试局 AS/A-Level成绩放...
Quadratic Inequalities Quadratic inequalities Similar to quadratic equations Sketching a quadratic graph is essential Can involve the discriminant or applications in mechanics and statistics How do...
Linear Inequalities Linear inequalities Similar to equations but answers take a range of values Linear means there will be no terms other than degree 1 no squared terms or higher powers, no fractio...
Quadratic Simultaneous Equations What are quadratic simultaneous equations? When you have more than one equation in more than one unknown, then you are dealing with simultaneous equations An equati...
Linear Simultaneous Equations - Substitution What are simultaneous linear equations? When you have more than one equation in more than one unknown, then you are dealing with simultaneous equations ...
