Top answers

All subjects
All levels

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
3470 Views

In ‘Of Mice and Men’, how does Steinbeck present women?

Steinbeck presents women very negatively within his novella ‘Of Mice and Men’ through his usage of his only female protagonist, Curly’s wife. She isn’t even given a name and the only title she has indicat...

LM
12443 Views

A cuboid has dimensions: width = x+1, length = 2x-2, height = x+2. Work out the volume of this cuboid. Give your answer in terms of x.

Volume of cuboid = width x length x heightV = (x + 1)(2x - 2)(x + 2)
For simplicity, multiply the first 2 sets of brackets first. Then multiply the result by the third set of brackets.Note: for multi...

SA
Answered by Sam A. Maths tutor
6465 Views

2017 Edexcel Summer 2017 Q18) 16^1/5 × 2^x = 8^3/4 Work out the exact value of x

As this is a calculator paper, it is acceptable to use one. The first step to calculating the exact value of x is to make it the subject of the equation (i.e. moving it to its own side)2^x = (8^3/4)/(16^1...

RP
Answered by Rory P. Maths tutor
18735 Views

What is 125^(-2/3)?

Firstly, the negative power sign flips the number the 1/125.The 1/3 part of the power means find the cubic (3rd) root. 1/5Finally the 2 of the power means square the number. 1/25 is therefore the final an...

ER
Answered by Emily R. Maths tutor
4590 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