[-/5 Points] DETAILS LARCALCET7 10.3.006. 0/3 Submissions Used Find dy/dx. XEVt y = 4 -t dy dx Need Help? Read It [-/5 Points] DETAILS LARCALCET7 10.3.009. 0/3 Submissions Used Find dy/dx and day/dx2, and find the slope and concavity (if possible) at the given value of the parameter. (If an answer does not exist, enter DNE.) Parametric Equations Point x = 2t, y = 4t - 5 t = 5 dy dx dy2 slope concavity: ---Select--- Need Help? Read It Watch It