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f(x) = x^3 - 13x^2 + 55x - 75 , find the gradient of the tangent at x=3

f(x) = yy= x³- 13x² + 55x - 751) find f'(x) [=dy/dx] Differentiation is (1) multiplying the coefficient by the original power --> 2) reducing the original power by 1dy/dx = 3x

Answered by Kiitan O. • Maths tutor

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How effective were the policies of British governments, in the years 1789 to 1812, in controlling popular discontent?

Paragraph 1: Firstly, in terms of ‘how effective’ the policies were in ‘controlling’ popular discontent, it is important to register that different perspectives will lead to different conclusions, with po...

Answered by Sarah B. • History tutor

4567 Views

Solve the simultaneous equations: 3x + 2y = 4 and 4x + 5y = 17

Step 1: multiply one or both equations so that the 2 equations have the same coefficient for either x or y (pick easier one) 5(3x + 2y) = 5(4) --> 15x + 10y = 20 AND 2(4x + 5y) = 2(17) --> 8x + 10y ...

Answered by Rania D. • Maths tutor

4846 Views

How should I structure my answer to this TSA question: Should we care more about the survival of animal species or the welfare of individual animals?

Should we care more about the survival of animal species or the welfare of individual animals?
You need to first of all decide on an argument. In this question it makes it easier to broadly pi...

Answered by Olivia L. • TSA Oxford tutor

3747 Views

What happens during an action potential?

Action potentials are how nerve impulses travel along nerve cells/neurones. At rest a neurone has a membrane potential of -70mV which is maintained by the action of sodium potassium pumps in the plasma me...

Answered by Emily B. • Biology tutor

7663 Views