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Let f(x) = 5x^4 + 6x^3 + 3, find dy/dx at x = 3

First we must differentiate the equation with respect to x. To differentiate you must multiply the coefficient (number in front) by the power of x, then subtract 1 from the power. So here we find dy/dx = (5 ...
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Answered by Francesca K. • Maths tutor
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Why should I think about alternative meanings when analysing a word/phrase?

Being able to think about an alternative meaning for a particular word or phrase when analysing a text is a skill that will allow for a student to reach a higher band, as it displays perceptive thinking and ...
AB
4088 Views

State three differences between DNA and mRNA molecules

DNA contains the base Thymine, whereas mRNA contains Uracil DNA is double stranded whereas RNA is single stranded DNA contains deoxyribose sugar, whereas mRNA contains ribose sugar DNA is long whereas mRNA s...
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Answered by Charlotte B. • Biology tutor
7285 Views

Explain why Br2 has a higher melting point than Cl2

Br2 molecules are larger than Cl2 molecules, so more electrons are present in Br2 molecules. Therefore there are stronger van der waals forces between Br2 molecules than Cl2 molecules, so more energy is need...
CB
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Describe the volcanic landforms associated with destructive plate margins and explain their formation.

2 parts to question: describe and explain Volcanoes: Formed where two plates meet and the less dense plate is forced under another in the Benioff zone - these may two oceanic plates, or continental and ocean...
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Answered by Megan G. • Geography tutor
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