Question

2. For the function f(x) = 2x -arcsin x, a) locate all the local extrema and classify them
as maxima or minima. b) Are these local extrema also global extrema? Explain your answer.
4. For the curve y = ln(1+x^2), find a) intervals of increase and decrease and local extrema,
b) intervals of concavity and inection points, then use this information to c) sketch the graph.