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) =80-9x- xFind 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) = - +3x+2