Top answers

Sketch the curve y = (2x-1)/(x+1) stating the equations of any asymptotes and coordinates of the intersection with the axis. As an extension, what standard transformations from C1 could you use on y=1/x to get this curve?

A good way to start with any of these questions is to guess what type of curve this is, and if that is too difficult then the next best thing is to find some points. In this case it is obvious that it is a h...
AD
Answered by Alex D. • Maths tutor
5026 Views

What is the effect of reducing interest rates on a currency’s exchange rate?

‘Interest rates’ refer to the return on savings and cost of borrowing in a country. If interest rates were to fall in a country, such as the UK, it would become less profitable to save money there. This mean...
OM
Answered by Owen M. • Economics tutor
2480 Views

Write the number 0.0534 in standard form (1 mark)

5.34 x 10 -2
CT
Answered by Christopher T. • Maths tutor
3751 Views

Describe the generator effect and its use within transformers (6 marks)

The generator effect is the induction of a potential difference (leading to a current) when a wire experiences a change in magnetic field) (2 marks)In a transformer, there are primary and secondary coils. An...
TM
Answered by Tobias M. • Physics tutor
16749 Views

Explain one economic problem caused by traffic congestion

Traffic congestion: causes delays and results in the late arrival of workersTherefore, there is a loss of working hours which results in lower productivity for companies as there is less time available to be...
SW
Answered by Saskia W. • Geography tutor
25426 Views