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)? ?if f(...
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 function i...
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...
IGCSE是英国的课程体系，自然的IGCSE中的商科这门课的课程质量也是非常好的，课程内容深入浅出，对于14-16岁的同学们来说，选这门课非常有助于开启你对于商业世界的理解。今天就给大家带来IGCSE商务课程备考资源...
很多同学或家长都认为：A-Level成绩只能申请英国大学。但实际上还有很多英联邦国家的大学，都是认可A-Level成绩的，比如澳大利亚的大学，直接接受A-Level成绩入读本科。 同时，澳洲有八所高校在世界各大权威排行...
Proportional Relationships Proportional relationships Proportional relationships describe a proportional connection between two variables This can happen in two ways Direct proportion one variable ...
Solving Equations Graphically Solving (simultaneous) equations graphically This is a way to solve?simultaneous?equations?(see Simultaneous Equations) Coordinates of the?intersections?are the...
Reciprocal Graphs - Sketching What are reciprocal graphs? Reciprocal graphs involve equations with an term on the denominator e.g. There are two basic reciprocal graphs to know for A level The seco...
Sketching Polynomials Sketching the graph of a polynomial Remember a polynomial is any finite function with non-negative indices, that could mean a quadratic, cubic, quartic or higher power ...
