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是英國的課程體系，自然的IGCSE中的商科這門課的課程質量也是非常好的，課程內容深入淺出，對于14-16歲的同學們來說，選這門課非常有助于開啟你對于商業世界的理解。今天就給大家帶來IGCSE商務課程備考資源...
很多同學或家長都認為：A-Level成績只能申請英國大學。但實際上還有很多英聯邦國家的大學，都是認可A-Level成績的，比如澳大利亞的大學，直接接受A-Level成績入讀本科。 同時，澳洲有八所高校在世界各大權威排行...
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 ...
Improper Algebraic Fractions What are top-heavy (improper) rational expressions (or algrbraic fractions)? The?degree?of the numerator is?greater than?or?equal?to the degree of the denominator How d...
Rational Expressions (Algebraic Fractions) What are rational expressions? Rational?numbers are numbers that can be written as a fraction (quotient)Rational comes from?ratio?– a number is rational i...
