Question 9 (5 points) Estimate lim 5x3 - 2x3 + 5x - 3. O -61 -39 -55 Limit does not exist. Question 10 (5 points) The population growth of a certain city is given by the function P() = 0.9(1.5)', where t is time in years. Estimate lim P(), if it exists. i....... i...... ...B ... 6. 1.35 Oo O 0.9 OQuestion 11 (5 points) Find the approximate area between the curve (x) = -4x + 32x and the x-axis on the interval [0, 8] using 4 rectangles. Use the right endpoint of each rectangle to determine the height. 120 10 60 10 O 1152 square units 320 square units 288 square units 160 square units Question 12 (5 points) The distance d of a particle moving in a straight line is given by d(t) = 2r + 5t -2, where t is given in seconds and d is measured in meters. Find the velocity of the particle for f = 7 seconds. O 152 m/s O 47 m/s 733 m/s 299 m/s