Top answers

All subjects
A Level

differentiate with respect to 'x' : ln(x^2 + 3x + 5)

(2x + 3) / (x2 + 3x + 5)

AS
Answered by Alec S. Maths tutor
5258 Views

Differentiate with respect to x: y=(6x^2-1)/2sqrt(x)

1st Step: Must separate the fractions and simplify:

y= (6x2-1)/2sqrt(x)= 6x2/(2x1/2) - 1/(2x1/2

Cancel 6 with 2 and x

ES
Answered by Elena S. Maths tutor
9230 Views

Which of these DNA mutations is likely to have the greatest effect on the structure of the encoded protein? Justify your answer. •Single base substitution •15 bases base deletion •Insertion of 2 bases

The most serious of these mutations will be the insertion of 2 bases. Becasue the genetic code is read in triplets, a 2 base insetion will alter the reading frame of the code causing a frameshift mutation...

EM
Answered by Emma M. Biology tutor
23078 Views

Explain the formation of different types of Moraine (7 marks)

A moraine is any material transported and deposited by a glacier, there are many different types of moraine. One type of moraine is medial moraine which is formed where two glaciers meet depositing glacia...

OC
Answered by Oliver C. Geography tutor
20787 Views

How does a firm maximise revenue (linear revenue curves)?

Total revenue is maximised where the downward sloping marginal revenue curve cuts the x-axis. This makes sense when we realise that 'marginal' means 'of an additional unit'. So, total revenue is maximised...

OB
Answered by Oliver B. Economics tutor
3354 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