i need only part 4 answer

6. A T-shirt manufactureris planning to eJqJ-and its wortdoroe. It estimates that the number of Tshirts produoed by hiring 3: new workers is given by T{x}= - 05x4 +1319, I] 5 x5 27. When is the rate of change ofTshirt production increasing and when is it decreasing? What is the pointot diminishing retums and the maximum rate of change for Tshirt. production? Graph T and T' on the same coordinate system. The rate of change of T-shirt production is increasing on . [Type your answer in interval notation.) The rate of change of T-shirt production is decreasing on :I. {Type your answer in interval notation.) The point of diminishing retums is x = :l workers. The maximum rate of change for Tshirt production is T-shirts per worker. Graph T and T\" on the same coordinate system. Q A. O s. . am " Q m. y Q m Y Q 5.... 3' Q Q m Q Q m Q m: x D' x E 5:332 * [4' x [4' is 27 13 27 18 2? 1! 2""