Question: Sketch the region bounded by the graphs of the algebraic functions and find the area of the region.

a) \(y=2\sqrt{x},\,\,\,y={{x}^{2}}\)

b) Estimate: \(f\left( x \right)={{x}^{3}},\,\,\,\,g\left( x \right)=\cos x,\,\,\,x=0\)