Consider the following graph. Step 1 of 2: Determine the intervals on which the function is concave upward and concave downward. Enable Zoom/Pan 7.5 10 -7.5 -15Separate multiple entries with a comma. Selecting a radio button will replace the entered answer value(s) with the radio button value. If the radio button is not selected, the entered answer is used. Concave Up: O Never Concave Up Concave Down: O Never Concave Down