Top answers

All subjects
A Level

How do you go about differentiating a^x functions?

A key point to remember here is that a^x could mean the base (a) is not “e”-that special number which has a gradient function, dy/dx (the differential), EQUAL to the function itself, y=e^x. When "a&q...

AW
Answered by Adam W. Maths tutor
82202 Views

In terms of reaction mechanisms, what exactly is the rate-determining step?

The easiest way to visualise this is to imagine a line of four dinner ladies serving you different parts of a school meal e.g. the first peas, the second mash potatoes, the third chicken and the fourth gr...

AW
Answered by Adam W. Chemistry tutor
4061 Views

To what extent do the structures and functions of DNA and RNA differ?

Firstly, there are chemical differences between the two nucleic acids. DNA has the following structural properties:-double stranded and anti-parallel polymer held together by (relatively) weak hydrogen bo...

AW
Answered by Adam W. Biology tutor
4804 Views

What is the difference between viral antigenic drift and antigenic shift?

Both antigenic shift and drift are used by viruses to adapt to selection pressures and avoid host immune systems. 

Antigenic shift is a slow change in the viral genes ove...

SW
Answered by Sophie W. Biology tutor
12669 Views

How do I differentiate 3^2x?

By recalling that eln(a) = a, you can rewrite 32x as e2xln(3).

Then, you can differentiate this like any other e function, by using the product rule.

<...
LD
Answered by Luis D. Maths tutor
25531 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning