For example, \(y=\frac{4}{x-2}\): Note that as the graph approaches x=2 from the left, the curve drops rapidly towards negative infinity. This is because the numerator is staying at 4, and the denominator is getting close to 0. That means that the fraction itself is getting very big and negative.
Causes of flooding. A flood occurs when a river bursts its banks and the water spills onto the floodplain. Flooding tends to be caused by heavy rain: the faster the rainwater reaches the river channel [river channel: The part of the river that holds the water. ] , the more likely it is to flood.
Contributor flagged What caused floods on the indus river and what did they bring for improvement 23 Jan 2018 00:48. Current answer: Floods occur when the river flows higher then its regular base. They bring disaster to humans, and fertile soil,... Tools: Edit categories | Edit answer