Answer Happy

Options available for #12: concave upward, concave downward, or
neither
11. [-/2 Points] DETAILS LARCALC11 10.5.003.0/2 Submissions Used MY NOTES ASK YOUR TEACHER Write an integral that represents the area of the shaded region of the figure. Do not evaluate the integral. r = 2 sin() A= de A/2 1.5 1.0 0.5 - 1.0 0 1.0 -0.5 0.5 12. [-15 Points] DETAILS LARCALC11 10.3.009. 0/2 Submissions Used MY NOTES ASK YOUR TEACHER Find dy/dx and dy/dx?, 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 = 70, y = 5t - 8 t = 8 dy dx dy dx? = slope concavity: -Select---