Find the shaded areas,
I have attached the diagram, is this right set up for the area under the curve?
Also for the bit above the axis, the triangular bit, how would I work out this area? I dont know the equation of this line. Is it y = 4?
this is the x-axis minus the curve.
Edit- just to clarify, the curve crosses the x-axis at -1 and 3, although on my diagram it looks like it doesn't