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Sketch the graph of f(x) = sin(x). On the same set of axes, draw the graph of f(x)+2, f(2x) and f(-x). By observing your graphs of f(x) and f(x), if f(a)=1, what is the value of f(-a)?

The first stage is the simple drawing of the sin graph. (could be done on the whiteboard)Then it is a typical A-Level style question to perform three types of transformations on that graph, here we have 1. t...
JG
Answered by Jessica G. • Maths tutor
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Explain two causes of ageing populations in MEDCs

One cause of ageing populations in certain MEDCs is improved access to healthcare. Improved access to healthcare allows individuals to receive treatment more promptly, assisting in stopping preventable illne...
JP
Answered by Jools P. • Geography tutor
4466 Views

What methods did Lenin use to consolidate Bolshevik Power October-December 1917?

What the question wants: 1) 'methods used' - so it each part of the argument must be an active decision/ policy taken by Lenin 2) 'October/ December 1917' - Therefore if doing a theme on international withdr...
AL
Answered by Alex L. • History tutor
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Explain two causes of ageing populations in MEDCs

One cause of ageing populations in certain MEDCs is improved access to healthcare. Improved access to healthcare allows individuals to receive treatment more promptly, assisting in stopping preventable illne...
JP
Answered by Jools P. • Geography tutor
2637 Views

Explain how a wave-cut platform is formed - 6 marks

A wave cut platform is formed by the sea attacking the cliff face though different types of erosion e.g. abrasion and hydraulic action. Abrasion is where cliffs are worn down from destructive waves and the t...
JA
Answered by Josh A. • Geography tutor
35976 Views