Use the graph to determine the open intervals over which f left parenthesis x right parenthesis is increasing, decreasing, or constant, then determine all the local minimum and maximum values on the graph. Increasing on left parenthesis short dash infinity comma space 1 right square bracket union left square bracket 2 comma space 3 right square bracket Decreasing on left square bracket 1 comma space 2 right square bracket union left square bracket 3 comma space infinity right parenthesis Local minimum is 2 at x equals 2 Local maximum is 1 at x equals 1 and 3 at x equals 3. Increasing on left parenthesis short dash infinity comma space 1 right parenthesis union left parenthesis 2 comma space 3 right parenthesis Decreasing on left parenthesis 1 comma space 2 right parenthesis union left parenthesis 3 comma space infinity right parenthesis Local minimum is 2 at x equals 2 Local maximum is 1 at x equals 1 and 3 at x equals 3 Increasing on left parenthesis short dash infinity comma space 1 right square bracket union left square bracket 2 comma space 3 right square bracket Decreasing on left square bracket 1 comma space 2 right square bracket union left square bracket 3 comma space infinity right parenthesis Local minimum is 3 at x equals 2 Local maximum is 4 at x equals 1 and at x equals 3 Increasing on left parenthesis short dash infinity comma space 1 right parenthesis union left parenthesis 2 comma space 3 right parenthesis Decreasing on left parenthesis 1 comma space 2 r