A quick sketch showing the change in a function. ... it doesn't matter what two points I pick on the graph. ... the derivative of this function will be: Trig functions. Remember, ...

Revise how to recognise and determine the equation of a quadratic function from its graph. BBC Bitesize Scotland revision for SQA National 5 Maths.

At this point, there is no more change in the function’s value (its rate of change or slope or derivative becomes zero) and is graphed on the lower graph of derivative as a derivative of zero. When ...