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How do you find the gradient of a curve?

Unlike a straight line, the gradient of a curve is not a constant i.e. not one single number. To find the gradient of a curve, you different the equation of the curve. To find the gradient at a specific poin...
AM
Answered by Anna M. • Maths tutor
44195 Views

Use integration by parts to find the integral of sin(x)*exp(x)

First, we choose u=sin(x),v'=exp(x). Using differentiation and integration of standard exponential and trigonometric functions => u'=cos(x),v=exp(x). From this we use the formula for integration by parts ...
PL
Answered by Philip L. • Maths tutor
7709 Views

If the rate of photosynthesis is reduced, why is the rate of respiration also reduced?

Photosynthesis uses light energy to produce glucose from carbon dioxide in the air and water in the soil. Glucose is then used in respiration, so if there is a reduced rate of photosynthesis, less glucose is...
JS
Answered by Jasmine S. • Biology tutor
4408 Views

Highlight and explain 2 differences and one similarity between a monopoly market and a perfectly competitive market

Difference 1. In a perfectly competitive market marginal revenue is equal to average revenue at all quantity of production and the price for all firms is set at the same value. By contrast, in a monopoly mar...
AE
Answered by Alec E. • Economics tutor
5471 Views

Explain what is meant when the genetic code is described as 'degenerate'.

DNA is made up of sequence of nucleotides ( a phosphate, a pentose sugar and nitrogenous base). It is the sequence of bases on the DNA strand that codes for proteins. A sequence of three bases is called and ...
SB
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