The graph displays the recorded speed of a truck over certain time. Intervals. Suppose the time is denoted as tea between which values of tea is the speed of the truck, increasing a between T equals 6 and T equals 8 and between. T. Equals 16 and T equals 20 between B between T equals 8 and T.Equals 10 and between T equals 14 and T.Equals 0 and T equals 6 and between.T.Equals ten and t equals fourteen or d none of the above