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First, straight away from reading the question you know this question will involve differentiating the function with respect to x so immediately you want to re-write the equation in terms of y which in th...

Definitions: short, sharp key works to gain the marks- especially for the 5 mark definition questions in GPO1/GPO2
Direct Democracy:In a direct democracy people vote...

(draw demand and supply diagram showing a shift to the left of the supply curve and a new equilibrium)
explanation:indirect tax increases the cost to the producer this means they can no longer sell t...

The first ionisation energy of an element is the minimum energy required to remove a single electron from one mole of an element in its gaseous state. As you go down the group the first electron becomes e...

Firms may grow through integration - vertically or horizontally. Both strategies ultimately increase a firm's competitive position. Vertical integration refers to the supply chain and how...