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## A-Level Economics: Should Singapore be concerned with inflation?

Discuss whether the Singapore government should be concerned with inflation.   How can we approach the question? Introduction Define inflation to be the sustained, inordinate increase in general price level. Clarify “concerns”: link to achievement of macroeconomic...

## A-Level Physics: True or False statements

With reference to the figure above, a mass m hangs at the end of a rope which is attached to a support fixed on a trolley moving to the right with a speed v on a horizontal track. The angle, θ, is the angle the rope makes with the vertical. Are the following...

## A-Level Mathematics: Describing sequence of transformation & sketching graphs

The graph of y = f(x) is shown above. (a) The graph of y = f(2 – x) is obtained when the graph of y = f(x) undergoes a sequence of transformation. Describe the sequence of transformations. (b) Sketch the graph of y = f’(x), stating the equations of any asymptotes and...

## A-Level Mathematics: Illustrating the locus of the point representing the complex number z in an Argand diagram.

Given that |z – 2i| < 4, illustrate the locus of the point representing the complex number z in an Argand diagram. Hence find the greatest and least possible values of |z – 3 + 4i|, given that |z – 2i|< 4. Source: 2003 GCE A-Level Mathematics How can we approach...

## A-Level Economics: Oil prices plunged to a historical low in 2014

In 2014, oil prices plunged to a historical low. Despite weak economic activities worldwide, there has been an increase in activities to produce oil which is a time-consuming process. Discuss how these events are likely to impact the market for oil and its related...