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A function is defined by f(x)=x/(2x-2)^(1/2): (a)Determine the maximum domain of f. (b)Differentiate f. (c)Find the inflection points of the function's graph.

This is a common A-level question tackling functions and differentiation. (a) First, it should be noted that the function f is defined within the field of real numbers and thus the value of 2x-2 in the squar...
Answered by • Maths tutor
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Describe the passage of blood through the left side of the heart. Include the names of the valves between the chambers.

This is a typical question that could be asked in your exam and so it’s important to break it down in terms of its content, as well as its format. format: this is a describe question and thus doesn’t need va...
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Answered by Lewis H. • Biology tutor
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Topic - force as rate of change of momentum; (i) force on a wall due to water from a hose, (ii) force on a table as a rope is dropped onto it.

The question starts with a simple calculation that illustrates how a force can be calculated as the rate of change of momentum. It should be understood by most students; however, the answer can then be used ...
Answered by • Physics tutor
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'All power flows from the barrel of a gun'. Discuss.

This sort of question appears nebulous at first glance, however, it can be answered both methodically and in an interesting manner, while touching on a variety of political ideologies and concepts. The topic...
Answered by • Politics tutor
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explain the breakdown of erythrocytes in the body

erythrocytes / red blood cells are broken down in the liver. They enter the liver through the hepatic artery and are engulfed (phagocytosis) by Kupffer cells on the inner wall of sinusoids in the liver. Kupf...
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Answered by rosie M. • Biology tutor
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