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The curve has equation y = x^3 - x^2 - 5x + 7 and the straight line has equation y = x + 7. One point of intersection, B, has coordinates (0, 7). Find the other two points of intersection, A and C.

As both equations are equal to y, we can combine them to create a single equation in terms of x: x^3 - x^2 -5X + 7 = x + 7. Shift the equation so the left hand side is equal to 0 on the right: x^3 - x^2 -...

AB
Answered by Alfie B. Maths tutor
7621 Views

Briefly outline the divisions and roles of the human nervous system.

The role of the nervous system is to collect, process and respond to information in the environment and to coordinate the workings of organs and cells in the body. It is subdivided into t...

SL
Answered by Sammy L. Psychology tutor
12966 Views

What are material factors and how do they affect educational achievement?

This question needs to be broken down in to two elements;

1st what is material capital and what are examples of material capital

2nd what is educational achievement and...

ER
Answered by Emily R. Sociology tutor
12950 Views

In a population of deer there are two alleles, p and q. Individuals with allele p are faster than those with allele q and so are better at avoiding predation by wolves. Explain how natural selection will affect the characteristics of the deer population.

In the population, there is genetic variation with some individuals possessing allele p and some possessing allele q. Predation by wolves acts as a selection pressure on the genetic variation in the popul...

HO
Answered by Harrison O. Biology tutor
3224 Views

If I forget the name of the person who conducted a study (e.g. Harlow), is it possible to pick up full marks for explaining only the study?

The answer is yes. Generally, the person marking your paper will know the study you are on about if you provide enough detail. If you can remember the name of the person who conducted the study then that ...

LB
Answered by Louisa B. Psychology tutor
6476 Views

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