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The term 'shrinking' planet is another way of referring to the process of globalisation, or the deepening and strengthening of ties across transnational borders. This manifests itself in two main ways - g...

The short-run is defined as the period during which one cannot vary at least one of the factors of production, i.e. at least one factor of production is fixed. The long-run is defined as the period during...

Price elasticity of demand (PED) is a measure of the responsiveness of demand for a product after a change in that product’s price. It is calculated with the following formula: PED = %change in quantity d...

Key Equation: Q = mcΔT Where: Q = heat transferred (J), m = mass of substance which is heated (g), c = heat capacity of water (J g^-...

fg(x) = 2(cx+5) + c

= 2cx+10+c                           [1 mark]

fg(x) = 6x+d. fg(x) = 2cx+10+c

6x = 2cx and d = 10+c          [2 marks]

3 = c and therefore d = 13    [3 marks...