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) =x3-27xFind the relative extrema of the function below meaning nd the minimum [mini or maximum {max} point if it exist, the increasing and decreasing interval if it exist, the point of inectionl and the concave up or concave dovvn. x) 2 3x3 36x 3 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) =2x -3x - 36x+28