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How do I differentiate (x^2 + 3x + 3)/(x+3)

In order to differentiate this fraction, you will need to use the quotient rule, which if you don't remember is: y = u/v then dy/dx = (v du/dx − u dv/dx)/ v^2) First you need to identify your initial variabl...
Answered by • Maths tutor
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How can I tell the difference between music from the Baroque and Classical eras? (GCSE)

Baroque music is far more ornate than that of the classical era with less regular phrasing. Baroque music also uses a more polyphonic texture than classical music, meaning there are more interweaving lines b...
OT
Answered by Oonagh T. • Music tutor
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Why can metals conduct electricity?

Because metal compounds contain delocalised electrons that are free to move about the ionic lattice that forms the metal, carrying charge.
AM
Answered by Aoife M. • Chemistry tutor
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How does temperature affect the rate of diffusion?

An increase in temperature increases the activation energy of the atoms or molecules and therefore increases their net movement across a partially permeable membrane, increasing the rate of diffusion. A decr...
AM
Answered by Aoife M. • Biology tutor
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The line, L, makes an angle of 30 degrees with the positive direction of the x-axis. Find the equation of the line perpendicular to L, passing through (0,-4).

What is the question asking us? -To find the equation of a straight line, and to do that we need two pieces of information, what are they? 1. the gradient of the line and 2. a point on the line. Now from the...
AS
Answered by Amy S. • Maths tutor
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