Calculus, Artificial Intelligence, Blogging.
a unit change on the x-axis, there is a 2-unit change on the y-axis. (ie) when x = 2 then y = 4 when x = 4 then y = 8. Similarly the slope is 2 for every part of the line. But if we look at the above curve it is not linear. So the slope is different at different parts of the graph based on whether