CPM Homework Help : PC3 Problem 2-130

Curve, coming from the upper left, turning at the following approximate points: (negative 2, comma negative 4), (4, comma 4), then falling down & right. The curve changes from opening up, to opening down at the point (1, comma 0). Use the graph at right, state the intervals where the function is increasing, decreasing, concave up, and concave down, as well as the locations of any maxima or minima.

Hint:

Review the definitions of the given characteristics. Be sure to use intervals of $x$ to state your answers.