Top answers

All subjects
All levels

Find the derivative of f(x)=x^2*e^x+x

You can split the derivative into 2 parts: dx/dy (x^2*e^x) + dx/dy (x)

For the first part you have to use the product rule, so let U=x^2 V=e^x U'=2x V'=Chain rule

V'=dx/dy(e^x)dx/dy(x)...

BR
Answered by Benedict R. Maths tutor
3739 Views

We have the curve f(x) = (x^2-5x)(x-1)+ 3x. Sketch the graph y=f(x), making sure to plot the co-ordinates where the curve meets the axes.

The first thing we want to do is re-write the curve f(x) in a format in which we can read and easily plot a graph. If we can include the '3x' in the factorised part of the equation, it will be neater and ...

RA
Answered by Rania A. Maths tutor
3383 Views

What is a balance of payments deficit and why might this be damaging to the economy?

In Macroeconomics, a balance of payments or balance of trade deficit is where the total imports (M) received by an economy exceed that of exports (X). The balance of payments is a component of aggregate d...

AJ
Answered by Ayrton J. Economics tutor
15749 Views

How can you show your in depth knowledge of a novel if the exam question is focused on only one specific chapter or theme?

This is one of the main difficulties I found when studying for my A Level English Literature exam, so I really understand any confusion about how to go about answering these types of questions.Demonstrati...

NW
5159 Views

Outline two assumptions of the behaviourist approach.

One assumption of the behaviourist approach is that we are born as a blank slate (known as tabula rasa) and we learn everything from the environment. This assumptions believes that all humans, male and fe...

CR
Answered by Chloe R. Psychology tutor
75339 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:

© 2025 by IXL Learning