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Find the first derivative of f(x). f(x) = ln(3x^2+2x+1)

The differential of a natural log function gives a fraction where the numerator is the first derivative of what we are taking the natural log of and the denominator is what we are taking the natural log o...

Answered by • Maths tutor

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Outline Descartes’ ‘evil deceiver’ argument and explain what he then says about his knowledge of his own existence.

Descartes suggests, that if we assume that there is an evil power, who's only goal is to deceive us, exists, then we can not be certain about the nature of our reality. He uses many examples. In one of th...

Answered by • Philosophy tutor

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What is important to consider when applying for Medical School?

When applying for any medical school, it is important to consider what makes you stand out as an individual. Of course, your personal statement, UKCAT/BMAT, A-Levels and often your GCSE grades are importa...

Answered by Mollie H. • Medical School Preparation tutor

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Describe the Bay of Pigs Invasion (4 Marks)

Four points are needed to answer this question or if you cannot remember four points you can then expand on two points in enough detail. Point 3 would be worth 2 marks.* USA banned all trade with Cuba and...

Answered by Elizabeth W. • History tutor

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A curve C has equation y = x^2 − 2x − 24 x^(1/2), x > 0 (a) Find (i) dy/d x (ii) d^2y/dx^2 (b) Verify that C has a stationary point when x = 4 (c) Determine the nature of this stationary point, giving a reason for your answer.

(a) i) dy/dx= 2x-2-12x^-1/2ii) d²y/dx²= 2+6x^-3/2(b) Substitute x=4 into dy/dx= 2x-2-12x^-1/2 Show that dy/dx= 0 and state 'hence there is a stationar...

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