Consider the function: f(x) = -3x2 - 18x Step 2 of 2: Use the First Derivative Test to find any local extrema. Enter any local extrema as an ordered pair. Answer Keypad Keyboard Shortcuts Separate multiple answers with commas. Previous Step Answer 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. Local Maxima: O No Local Maxima Local Minima: No Local Minima