Top answers

I can differentiate exponentials (e^x), but how can I differentiate ln(x)?

[Differentiate y = ln(x)] This is an example of many situations in maths where you need to solve something that is similar to what you can solve, but not in its current form. A good idea, then, is to see wha...
AL
Answered by Adam L. • Maths tutor
3552 Views

What affect do mutations to pathogens have on the effectiveness of vaccinations, and why is this important?

Mutations of pathogens produce new strains. Vaccinations may no longer be effective against these new strains. Vaccinations would kill non-resistant strain pathogens. However, resistant strain pathogens woul...
SR
Answered by Sophie R. • Biology tutor
3783 Views

What is the process by which vaccines protect individuals against infectious diseases?

Vaccines are small quantities of dead or inactive forms of a pathogen (disease). Vaccines stimulate white blood cells to produce antibodies. These antibodies destroy the pathogensthis makes the person immune...
SR
Answered by Sophie R. • Biology tutor
3808 Views

Explain the importance of having a unique selling point (USP)

A unique selling point (USP) is a differential factor, which enables the business to distinguish itself from other competitors in the market place. As such, a USP is important as it provides more value for m...
SV
47310 Views

What is word painting?

Word painting is a technique used to literally depict or 'paint' the image of the lyrics in the music. For example loud dynamics could paint lyrics displaying anger or acending scales could represent 'going ...
CG
Answered by Catriona G. • Music tutor
23841 Views