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What is the difference between a shift and a movement in the demand (or supply) curve?

A shift in the demand curve occurs when there is a non-price determinant of demand, including a change in consumers' income, changing trends and tastes, changes in the price of complementary and substitute g...
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Answered by Sofia D. • Economics tutor
18130 Views

Outline the "Sliding Filament Theory" of muscle contraction.

In the resting state, the myosin heads have a partially hydrolysed ATP molecule (ADP + Pi) giving them potential energy. When there is an influx of calcium ions as a result of sarcolemma depolarisation, the ...
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Answered by Sohail M. • Biology tutor
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Factorise and solve x^2-8x+15=0

(x-5)(x-3)=0 x-5=0 x-3=0 x=5 x=3
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Answered by Peter L. • Maths tutor
3389 Views

Find dy/dx for y=x^2 * sin(x)

To answer this question we observe that y is the product of x^2 and sin(x), so we use the product rule. Then dy/dx = 2x * sin(x) + cos(x) * x^2 The resulting equation can be tidied up by factoring out x and ...
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Answered by Jake H. • Maths tutor
8814 Views

Find the integral of x^2e^x

To solve this integral you should use the integration by parts formula, which is uv - integral of vu'. First let x^2 be u, therefore u'(the differential of x^2) = 2x, v' = e^x and therefore v (integral of e^...
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Answered by Jade G. • Maths tutor
8861 Views