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At each point P of a curve for which x > 0 the tangent cuts the y-axis at T, and N is the foot of the perpendicular from P to the y-axis. If T is always 1 unit below N and the curve passes through the point (1,0), find the Cartesian equation of the curve.

When faced with a problem like this, it is always a good idea to draw a rough sketch of what might be going on. With the help of a diagram, we notice that PNT is a right angled triangle w...

Answered by Siddharth P. • Maths tutor

2640 Views

Evaluate the usefulness a knowledge of perfect competition theory in analysing the behaviour of firms. [15]

Perfect competition is the most competitive market structure with many firms holding a small market share and no barriers to entry. There are no pure real-world examples ...

Answered by • Economics tutor

4999 Views

Describe the three different types of point mutation, and explain for each what the effect on the final gene product is likely to be

Base insertion/addition. This is when a base pair is added to a sequence - for example AGTCGTAGC could become AGTCGATAGC. In this situation, a frame shift occurs, and every c...

Answered by Rachel H. • Biology tutor

3176 Views

Which French politicans support the lowering of the voting age?

Currently, you have to be aged 18 or above to be able to vote in France. Dominique Bertinotti (the Family Minister) suggests having a 'pré-majorité' status where those aged 16-18 can vote in local electio...

Answered by • French tutor

5757 Views

Discuss how Maya Angelou presents the theme of freedom, or lack thereof, in her poem 'The Caged Bird'

Withing the first stanza, Angelou uses a range of dynamic verbs in reference to the free bird: 'leaps', 'dips', 'floats'. In doing do, Angelou characterises freedom as a liberty and lightness of movement....

Answered by Nema L. • English tutor

8026 Views