Find the relative extrema of the function below meaning find the minimum (min) or maximum (max) point if it exist, the increasing and decreasing interval if it exist, the point of inflection, and the concave up or concave down. f(x) =80-9x2 _x3Find the relative extrema of the function below meaning nd the minimum {min} or maximum {max} point if it exist. the increasing and decreasing interval if it exist. the point of inflection, and the concave up or concave down. x) 2 .x3+ 3x+2