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What does it mean for a function to have one to one mapping?

One to one mapping means is that there's only one value you could insert into the function that would give you a certain output. f(x) = 2x+1 is an example of one to one mapping where 3, for example, is the o...
JM
Answered by Joshua M. • Maths tutor
13396 Views

How do you solve linear inequalities such as: 5x – 2 > 3x + 11

Firstly, I would ask the student if they knew what the first step was. If they did not know, I would suggest that they need to get all the x's on one side of the equation and all the numbers on one side. I w...
MZ
Answered by Max Z. • Maths tutor
4550 Views

How does the contemporary study at to our knowledge and understanding of the psychodynamic area?

What did the old study teach us: Freud taught us how our unconcious can cause disorders such as phobia's, through implementing defence mechanisms to protect our ego, this meant that displacement and projecti...
EF
Answered by Emily F. • Psychology tutor
2314 Views

How would you apply the law of theft to a scenario?

So start by defining the law - s1(1) dishonestly appropraite property belonging to another with the intent to permently deprive Then outline the actus reus with cases - s3(1) appropriation (Pitham v Hehl), s...
EF
Answered by Emily F. • Law tutor
6577 Views

find dy/dx where y = a^x

First, we need to re-write it as e to the power something. The definition of log base e is that e^log(y) = y. We can put our expression into this equality too. So a^x = e^log(a^x), so we use log rules to bri...
AS
Answered by Alastair S. • Maths tutor
3582 Views