Please answer A-D please if not DO NOT ANSWER 10

For the following function, a) give the coordinates of any critical points and classify each point as a relative maximum, a relative minimum, or neither: b) identify intervals where the function is increasing or decreasing; c) give the coordinates of any points of inection; d) identify intervals where the function is concave up or concave down. and e) sketch the graph. g(x)=x3 -12x2 +45x+2 Mannw