Find the vertex and intervals where f is increasing and decreasing given the function below , where it is assumed a lt; O . f ( X ) = ax lt; + box...

Find the vertex and intervals where f is increasing and decreasing given the function below , where it is assumed a < O .f ( X ) = ax < + box + CThe vertex is \\( Simplify your answer . Type an ordered pair . )The function is increasing on the intervalThe function is decreasing on the interval