Sketching Gradient Functions How can I sketch a function's gradient function? Using your knowledge of gradients and derivatives you can use the graph of a function to sketch the corresponding?gradi...
Stationary Points & Turning Points What are stationary points? A stationary point is any point on a curve where the gradient is zero To find stationary points of a function?f(x) Step 1:?Find th...
Second Order Derivatives What is the second order derivative of a function? If you differentiate the derivative of a function (ie differentiate the function a second time) you get the?second order ...
Increasing & Decreasing Functions What are increasing and decreasing functions? A function?f(x)?is?increasing?on an interval?[a,?b]?if?f'(x)?≥?0?for all values of?x?such that?a<?x?<?b. If...
Gradients, Tangents & Normals Using the derivative to find the gradient of a curve To find the gradient of a curve?y=?f(x)?at any point on the curve, substitute the?x?coordinate?of the point in...
Differentiating Powers of x How do I differentiate expressions involving powers of?x? Powers of?x?are differentiated according to the following formulae: Differentiating terms with positive integer...
First Principles Differentiation What is the derivative or gradient function? For a curve?y?=?f(x)?there is an associated function called the?derivative?or?gradient function The derivative of f(x) ...
由于疫情原因，不管是在國內(nèi)的孩子們還是在國外的孩子們上學(xué)、考試都受到了影響。 英國教育局深知學(xué)生們?cè)谝咔槠陂g受到的影響很大，所以在今年的考試評(píng)分也將會(huì)相對(duì)寬松一些。 那讓我們來看看，今年GCSE考試的相...
Definition of Gradient What is the gradient of a curve? At a given point the?gradient?of a curve is defined as the gradient of the?tangent?to the curve at that point A?tangent?to a curve is a line ...
