Consider the function. f(x) = 2x3 + 18x2+54x +57 Step 2 of 2: Determine the open intervals on which the function is increasing and on which the function is decreasing. Enter O to indicate the interval is empty. Answer Keypad Keyboard Shortcuts Separate multiple entries with commas. Increasing: (- 3,0.) Decreasing: (-00, -3 5:42 PM 2/20/2022 prt sc home end insert delete X DI F8 F9 F10 F11 F12 F1 C2 F3 F4 FS F7 A a 5 W E R T Y