Detailed description
y= f(x), graph of what appears to be a cubic function, regions between x axis and parts of graph in quadrants 3 and 4 marked as -, areas between x axis and graph in quadrants 1 and 2 marked as +.
Integration
y= f(x), graph of what appears to be a cubic function, regions between x axis and parts of graph in quadrants 3 and 4 marked as -, areas between x axis and graph in quadrants 1 and 2 marked as +.