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By completing the square we find that f(x) = x 2 + 2x + 2 = (x+1) 2 + 1Since (x+1) 2 is a number that has been squared, it must be greater than or equal to zero. Therefore, f(x) = (x+1) 2 + 1 must be greater...

Gas exchange is important for fish as they need oxygen for respiration. Considering Fick’s law, in order to maximise the rate of gas exchange, fish have many gill filaments covered in lamellae, maximising th...

Both the imparfait and the passé composé are tenses that describe a past action. The passé composé is used to refer to completed events in the past e.g. j'ai mangé (I ate - indicating that you were eating in...

A good starting point in this question is identifying what is meant by the ‘tertiary structure’ of a protein, which is the folding of the protein into its 3D structure/shape . Relate this ten to maltase – an...

1st Law - An object will remain at rest or continue at constant velocity unless acted on by an unbalanced force 2nd Law - F=ma (for a constant mass body) /the net force acting on a body is directly proportio...