Search our library of homework questions

Top answers

All subjects

All levels

How would you derive y = function of x; for example: y = 3x^3 + x^2 + x

The best way to remember derivatives is to use algebra, and the general function is y = axⁿ -> dy/dx = anx^n-1

So for this equation dy/dx = (3x3)x^3-1 + (2x1)x

Answered by George A. • Maths tutor

3032 Views

Explain how Maxima and Minima occur in Young's double slit experiment

When coherent, in-phase light passes through two slits they act as seperate sources, these waves diffract and overlap, causing regions of constructive and destructive interference. When they collide with ...

Answered by Charlie D. • Physics tutor

10576 Views

Explore the descriptive use of colour by Steinbeck in order to portray Curley's wife

Steinbeck uses many techniques in order to portray the character of Curley's wife, and one key method for doing so is through his use of colour. The colour red is of particular emphasis and reveals both p...

Answered by Marlee Z. • English tutor

2122 Views

What is the relationship between aid and dependence?

Simply, aid can be thought of as the provision, assistance, support or relief to a cause (usually in the form of money) for nothing in return. Whether or not receiving aid leads to a country becoming reli...

Answered by Kees L. • Geography tutor

2191 Views

When do you use the subjunctive in French?

Normally you use the subjunctive to imply doubt or uncertainty. For example, you might say je doute qu'il soit dans le jardin.Verbs in the negative also trigger the subjunct...

Answered by Naomi D. • French tutor

2087 Views