That's what the derivative tells you. Let me start with a couple of examples. There is a car moving and its position in the x-direction can be described by the following function. If I plot this ...

Move the point T along the graph of y=sin(x) by moving the slider. The slope function (derivative) is then traced out in blue. Can you identify the graph of the derivative? This is a Java Applet ...

Practice how to recognise and determine the equation of a quadratic function from its graph ahead of your National 5 Maths exam with this interactive maths quiz. The equation of a a quadratic ...