On the graph, determine the point(s) where the function has a positive slope. Position versus time graph beginning at the origin, curving upward to a maximum at point Q, curving downward to a value of x = 0 at point R, then curving to a minimum at point S. ANSWER Unselected Point Q and Point S Unselected Point P Unselected Point Q Unselected Point P and Point R Unselected Point R