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Differentiate f(x) with respect to x. Find the stationary value and state if it is a maxima, minima or point of inflection f(x) = 6x^3 + 2x^2 + 1

differentiate 6x^3 + 2x^2 + 1 = 18x^2 + 4x To determine stationary point set second derivative to zero 2nd derivative =36x + 4 36x + 4 = 0 therefore x = -4/36 = -1/9 x is -ve therefore point x = -1/9 is a ma...
HH
Answered by Harry H. • Maths tutor
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Why do I need to learn context when studying English literature?

Literature is hugely influenced by the contexts in which it is written. If someone said a single statement, such as 'I'm so surprised I got a C in my test' you wouldn't be able to understand what they mean, ...
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Answered by Carla C. • English tutor
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What are the predominant energy systems used by a 400m runner?

A 400m race is a high intensity event which typically last less than one minute, therefore the main energy system used is anaerobic glycolysis. In anaerobic glycolysis glucose is broken down into pyruvate an...
HJ
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How do I respond to a source based question?

Sources are what make history - without them we wouldn't know what actually happened in the past. So, how does this work in an exam setting with a source based question? Relax, first and foremost, you're lik...
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Answered by Jamie S. • History tutor
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How do you integrate tan^2(x)?

This is a question which tests your knowledge of how to use trigonometric identities as well as integration. As there is no way to immediately integrate tan^2(x) using well known trigonometric integrals and ...
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Answered by Warren L. • Maths tutor
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