AQA A Level Maths: Pure复习笔记2.9.3 Reflections
Reflections What are graph transformations? When you alter a function in certain ways, the effects on the graph of the function can be described by geometrical transformations With a?reflect...
AQA A Level Maths: Pure复习笔记2.9.2 Stretches
Stretches What are graph transformations? When you alter a function in certain ways, the effects on the graph of the function can be described by geometrical transformations With a?stretch?a...
AQA A Level Maths: Pure复习笔记2.9.1 Translations
Translations What are graph transformations? When you alter a function in certain ways, the effects on the graph of the function can be described by geometrical transformations With a?transl...
AQA A Level Maths: Pure复习笔记2.8.5 Modulus Functions - Solving Equations
Modulus Functions - Solving Equations Modulus graphs and equations Two non-parallel straight-line graphs would intersect?once If?modulus?involved there?could?be?more?than one intersection De...
AQA A Level Maths: Pure复习笔记2.8.4 Modulus Functions - Sketching Graphs
Modulus Functions - Sketching Graphs Modulus functions The?modulus?function makes?any?‘input’?positive |x| = x? ?if x ≥ 0? ?|f(x)| = f(x)? ?if f(x) ≥ 0 |x| = -x if x < 0? ?|f(x)| = -f(x)?...
AQA A Level Maths: Pure复习笔记2.8.3 Inverse Functions
Inverse Functions What is an inverse function? An?inverse?function?is the?opposite?to the original function An inverse function is denoted by The?inverse?of a function only exists if the fun...
AQA A Level Maths: Pure复习笔记2.8.2 Composite 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 on...
AQA A Level Maths: Pure复习笔记2.8.1 Language of Functions
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 ‘inp...
AQA A Level Maths: Pure复习笔记2.7.4 Proportional Relationships
Proportional Relationships Proportional relationships Proportional relationships describe a proportional connection between two variables This can happen in two ways Direct proportion one va...
