Let Determine the intervals on which the given function is concave up or down and find the point of inflection. (Help with interval notation.)
The x-coordinate of the point of inflection is
In the next two questions give the largest interval in the domain of that fits the description.
The interval on the left of the inflection point is . On this interval is ?? Concave Up Concave Down . The interval on the right of the inflection point is . On this interval is ?? Concave Up Concave Down .
You can earn partial credit on this problem.