Determine the interval(s) on which the given function is decreasing. polynomial going down from the left and going to a local minimum the point negative 1 comma 4 and then going up to a local maximum at the point 0 comma 5 and then going down to the right through the point 1 comma 0 (â€"[infinity], â€"1) ∪ (0,[infinity]) (1, [infinity]) (â€"[infinity], â€"1) ∪ (1, [infinity]) (â€"1, 0)