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Find CO-Ordinates of intersection of 2x+3y=12 and y=7-3x

Picture of Answer available on request

JP
Answered by Jakub P. Maths tutor
4711 Views

Differentiate the function f(x) = (x^2 - 1)^3

Using the chain rule: f '(x) = (2x) (3) (x^2 - 1)^2      = 6x(x^2 - 1)^2

JB
Answered by James B. Maths tutor
3552 Views

Explain synaptic transmission at a cholinergic synapse.

A synapse is a gap between neurons that allows communication between different neurons using chemical messengers or neurotransmitters. Let's start simple and describe the...

MM
Answered by Maaz M. Biology tutor
8773 Views

How can I figure out the key of a piece?

When we discuss KEYS in music we must always look at one thing: the KEY signature. This is the bit on the first line, next to the clef (Treble, Bass, Alto or Soprano). You'll notice this as it will have S...

SC
Answered by Shaun C. Music tutor
3802 Views

Let y = 4t/(t^2 + 5). Find dy/dt, writing your answer in it's simplest form, and find all values of t for which dy/dt = 0

We use the quotient rule to find dy/dt. Let u = 4t and v = (t^2 + 5). Then, u' = 4 and v' = 2t. Hence,

dy/dt = u'v - v'u / v= 4(t^2 + 5) - 4t x 2t / (t^2 + 5)= 20 - 4t

JH
Answered by Jonathan H. Maths tutor
4245 Views

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