Top answers


How does the structure of the kidney relate to its function?

The kidney consists of a huge number of functional units called nephrons. Each nephron has multiple sub-structures within it that relate to the kidney's overall function. Glomerulus - A dense network of capi...
SA
Answered by Samuel A. • Biology tutor
29954 Views

What is the context of Steinbeck's 'Of Mice and Men'?

The historical context of 'Of Mice and Men' centres around the United States of America during the years of the 'Great Depression.' The depression ignited with the Wall Street Crash on the 29th of October 19...
IP
20331 Views

How do I break down, criticise and memorise a philosophical or ethical argument?

Often it can be difficult to break down the arguments given in textbooks for different philosophical and ethical theories. In the exam you'll have to demonstrate your understanding of these theories and argu...
GW
3799 Views

What actually are sin, cos and tan?

This is a common question asked by my students when they first learn about trigonometry. First draw a unit circle on the plane and the graphs of sine and cosine next to it. The circle obviously has 360 degre...
LP
Answered by Leon P. • Maths tutor
5886 Views

The point P (4, –1) lies on the curve C with equation y = f( x ), x > 0, and f '(x) =x/2 - 6/√x + 3. Find the equation of the tangent to C at the point P , giving your answer in the form y = mx + c. Find f(x)

First step is to understand all the notation, i.e. the prime for derivative. We then need to understand that the derivative is the gradient of the tangent at a point. In this case at the point P we can find ...
LP
Answered by Leon P. • Maths tutor
16449 Views