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Find the turning points of the curve y=2x^3 - 3x^2 - 14.

First differentiate the equation: dy/dx = 6x^2 - 6xSet this equal to 0 as at turning points the change in gradient is 0: 0 = 6x^2 - 6x6x(x-1)=06x=0 therefore x=0(x-1)=0 therefore x=1x=1,0Now substitute back ...
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Answered by Edward R. • Maths tutor
5924 Views

In what way does a central bank increase the money supply in an economy?

In general, modern central banks such as the ECB or BoE tend to use interest rate targeting as a way of tightening or loosening monetary policy, however occasionally the money supply is manipulated instead. ...
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Answered by Edward R. • Economics tutor
2759 Views

Explain the process of Basal Sliding

Whilst cold based glaciers generally move by internal deformation, warm based valley glaciers, found in places such at The Alps, predominately move by basal sliding. Basal sliding occurs when the temperature...
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Answered by Izzy M. • Geography tutor
14689 Views

What are the correct uses of the verb SER?

Identification/ Definition: Esto es una silla / Soy Joanna - Characteristics and Physical Attributes: La falda es roja / En mi familia todos somos muy altos - Profession: Soy actor / María es camarera - Nati...
JW
Answered by Joanna W. • Spanish tutor
1884 Views

Identify which of the following would be the most appropriate choice of fuse for a 1200W kettle operating on UK mains electricity (230V). A) 3A Fuse B) 5A Fuse C) 10A Fuse D) 13A Fuse

The answer is C) 10A Fuse.To calculate the current flowing to the kettle, you use the P=IV equation to work out that I=P/V. Putting P = 1200 and V = 230 into this equation gives I = 1200/230 = 5.217A. Theref...
JH
Answered by Jamie H. • Physics tutor
6279 Views