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Maths A Level: "Sketch the curve of the function f(x) = 2x^3 - 2x - 12 and show that the equation f(x)=0 has one root; calculate the root."

Consider the curve y = 2x^3 - 2x - 12.1) y-intercept. When x=0, y= -12 3) when x tends to infinity...y tends to infinity and when x tends to negative infinity...y tends to negative infinity 4) stationary ...

JI
Answered by Joseph I. Maths tutor
2651 Views

How does Insulin work within the body?

Insulin is a hormone that is produced by the pancreas and is released into the bloodstream to control the level of glucose in the blood. When the blood glucose concentration is too high, the pancreas secr...

SP
Answered by Sonam P. Biology tutor
2613 Views

What is a world city?

A city that has very significant economic or financial and/or political influence on an international scale. Key features:Major centre for finance, business, trade. Major centre for culture, media. Major ...

RJ
Answered by Rose J. Geography tutor
1934 Views

Explain why it is important for a mammal to regulate its body temperature

The optimum temperature for enzymes in the body is around 37oC. If the body temperature falls below this temperature then enzymes will work too slowly for body process to occur fast enough the keep the ma...

CH
Answered by Catriona H. Biology tutor
4754 Views

How important was Ostpolitik to the reunification of Germany?

A good way to approach this question would be to break down the concepts involved. Ostpolitik can be broken down into its political, economic and social consequences, and a strong answer should differenti...

KB
Answered by Katy B. History tutor
2066 Views

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