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solve 4^xe^(7x+5) = 21

ln((4^x)e^(7x+5)) = ln21; apply a natural log on both sides of the equation as an exponential containing e is involved

ln4^x + ln(e^(7x+5)) = ln21; using logarithm rules you can seperate the singl...

Answered by Wahib N. • Maths tutor

3123 Views

What is the best way to write and essay?

The best essays have are clear, correct, and convincing.

All essays should be clear. This means that every essay should have an introduction, main body, and conclusion. The introduction should expl...

Answered by Jack H. • History tutor

1843 Views

How do you integrate y = 4x^3 - 5/x^2?

First we should look at the formula for integrating xⁿ. The integral is (xⁿ⁺¹/ n+1) + C.

Let's break down our equation into two parts.

The integral of 4x
HJ
Answered by Hannah J. • Maths tutor
4623 Views

Can you explain how genetic diagrams of inheritance work?

Explanation of keys words first; a gene is a section of DNA that codes for a particular characteristic such as eye colour. An allele is a version of a gene (e.g. an allele for the eye colour gene could co...

Answered by Izzy F. • Biology tutor

5339 Views

What are demand characteristics and how can they be minimised?

Demand characteristics are the clues in an experiment which could convey the purpose of the research to the participant. Participants will be affected by: (i) their surrounding: (ii) the researchers chara...

Answered by Bethany A. • Psychology tutor

11809 Views