Top answers

Maths
A Level

Differentiate the function y=4sqrt(x)

Can re-write function as y=4x1/2Then follow the standard steps for differentiating a power. Take the 1/2 down and multiply by the number in front of the x, in this case 4, to give 2. Now reduce...

CW
Answered by Calum W. Maths tutor
3019 Views

What is the gradient of the curve y = 2x^3 at the point (2,2)?

Firstky differentiate to gain an equation for the gradient.Differentiating gives:dy/dx = 6x2Insert x = 2 into the above equation to find the gradient at that particular point of the curve.When ...

ER
Answered by Emily R. Maths tutor
7522 Views

Show that the curve y =f(x) has exactly two turning points, where f(x)= x^3 - 3x^2 - 24x - 28

This question is about turning points of a curve, these occur when the gradient of a line is zero. In its current form, the equation of the curve tells us nothing about the gradient of the curve; it must ...

JA
Answered by Joshua A. Maths tutor
4746 Views

How would you differentiate and integrate 2x^3?

Integration is the opposite of differentiation.First of all take your 2x3 So in differentiation you would times the power by the coefficient and then minus one from the power.This would give,6x...

SK
Answered by Scarlett K. Maths tutor
6505 Views

How do you use the chain rule?


The chain rule is used to differentiate when there is a function within another function. For example y=(4x+6)0.5, y=(x+1)3The general formula for the chain rule is dy/dx= dy/d...

FC
Answered by Frances C. Maths tutor
3178 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences