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the graph y = 3/((1-4x)*(1/2)) has a shaded region between x = 0 and x = 2, find area of the region

intergrate y with respect to x between x=0 and x=2. remove 3 from the numerator, take outside intergration intergrate normally answer = 3
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Answered by Charlie N. • Maths tutor
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How can a MOSFET be used as a switch?

A MOSFET is a semiconductor device that can be used as an electronic switch or an amplifier. Some of its critical parts are the gate, source, drain, substrate and oxide insulator. Consider an n-channel enhan...
AS
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A sample of hydrochloric acid has a pH of 2.34. 
Write an expression for pH and calculate the concentration of this acid.

pH = -log([H+]) Therefore, 10^(-pH) = [H+] [H+] = 4.57x10^-3
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Answered by Charlie N. • Chemistry tutor
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Explain the flow of ions during an action potential of a typical neurone

There are numerous ionic fluxes during an action potential, which involves depolarisation, repolarisation and hyperpolarsation. During depolarisation, voltage-gated sodium ion channels open. In turn, sodium ...
AS
Answered by Annie S. • Biology tutor
5703 Views

Find the values of x where the curve y = 8 -4x-2x^2 crosses the x-axis.

A curve crosses the x-axis when y=0, if we put that into the equation above we get the quadratic equation 0=8-4x-2x 2 . The solutions to this equation are the values of x where y=0, which is the same as sayi...
HW
Answered by Hannah W. • Maths tutor
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