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What is the difference between GDP and GNI and how should I compare them?

The difference between GDP (Gross Domestic Product) and GNI (Gross National Income), lies in the distinction between the notions of ‘national’ and ‘domestic’. GDP measures all output produced within the bord...
MP
Answered by Marco P. • Economics tutor
12803 Views

A curve has equation y=2x^3. Find dy/dx.

We differentiate here to find the gradient, dy/dx, i.e. the differenitial of y in terms of x. As the right handside is purely dependant on x, this is simple. We can just multiply through by the power, i.e. 2...
CT
Answered by Claire T. • Maths tutor
5334 Views

Why are there 2 past tenses in Spanish? How do I remember the difference between them?

First of all, that's a great question, because knowing the difference between the 2 past tenses in Spanish is really important! Firstly, let's think about why there are 2 different tenses, or what the need i...
SK
Answered by Sian K. • Spanish tutor
4990 Views

How does the body respond following a meal to ensure a relatively constant blood sugar level?

After a meal blood sugar levels will rise. In the Islets of Langerhans beta cells detect hyperglycaemia and secrete insulin, while alpha cells stop releasing glucagon. The insulin moves in the blood stream t...
CJ
Answered by Cameron J. • Biology tutor
3269 Views

How do I find the stationary points of a curve?

For a curve where y = f(x) the gradient of the curve is the derivative of this equation dy/dx. Stationary points of a curve occur when the gradient of the curve is zero. Hence find the expression for dy/dx a...
AM
Answered by Anna M. • Maths tutor
4249 Views