Class: Section 01 Number of Questions: age Size: All Questions v Submit Save Save&Exit Check Print Exit & FAQ Question 1 point(s) Assume that I = I(t) and y = y(t). Find the indicated rate for information. y = 23 - 7: # = -4 when z = 1; find a Input your answer into the following box. Reload the Question Report Error Study Check Answer Try a New Version Question 2 point(s) Assume that a = x(t) and y = y(t). Find the indicated rate for given information. 12 - 2xy - y? = K; d = -3 when a = 1.9 and y = -1.2; find Input the exact answer as a simplified fraction into the following box. You can enter a fraction as: 3/5. Reload the Question Report Error Study Check Answer Try a New Version Question 3 1 point(s) A point is moving on the graph of zy = 12. When the point is at (2, 6). Its I coordinate is increasing by 2 units per second. How fast is the y coordinate changing at that moment? Input the exact answer into the following box. You can enter a fraction as: 3/5. The y coordinate is changing units per second at that moment. Reload the Question Report Error Study Check Answer Try a New Version Question 4 point(s) A boat is being pulled toward a dock as shown in the figure. If the rope is being pulled in at 7 feet per second, how fast is the dista etween the dock and the boat decreasing when it is 30 feet from Round your answer to the nearest hundredth and input it into the following box. The distance, between the dock and the boat, is feet per second when it is 30 feet from the dock. Reload the Question Report Error Study Check Answer Try a New Version point (s) A boat is being pulled toward a dock as shown in the figure. Suppose that the distance between the boat and the dock is decreasing by 3.07 feet per second. How fast is the rope being pulled in when the Round your answer to the nearest hundredth and input it into the following box. The rope is being pulled in feet per second when the boat is 5 feet from the dock. Reload the Question Report Error Study Check Answer Try a New Version Question 6 The radius of a spherical balloon is increasing at the rate of 7 centimeters per minute. How fast is the volume changing when the radius is 8 centimeters? point(s) Round your answer to the nearest hundredth and input it into the following box. The volume is changing cubic centimeters per minute when the radius is 8 centimeters Reload the Question Report Error Study Check Answer Try a New Version Question 7 point(s) The radius of a spherical balloon is increasing at the rate of 2 centimeters per minute. How fast is the surface area of the sphere increasing when the radius is 8 centimeters? Round your answer to the nearest hundredth and input it into the following box. The surface area is changing square centimeters per minute when the radius is 8 centimeters Reload the Question Report Error Study Check Answer Try a New Version Question 8 point(s) A 17-foot ladder is placed against a vertical wall. Suppose that the bottom of the ladder slides away from the wall at a constant rate of 5 feet per second. How fast is the top of the ladder sliding down the wall when the bottom is 8 feet from the wall? Input the exact answer into the following box. You can enter a fraction as: 3/5. The top of the ladder sliding down the wall is | feet per second when the bottom is 8 feet from the wall. Reload the Question Report Error Study Check Answer Try a New Version Question 9 point(s) A weather balloon is rising vertically at the rate of 5 meters per second. An observer is standing on the ground 1200 meters from where the rate is the distance between the observer and the balloon changing when the balloon is 1600 meters high? (You can enter a fraction # as: a/b.) er and the balloon is changing meters per second when the balloon is 1600 meters high. Reload the Question Report Error Study Check Answer Try a New Version Question 10 1 point(s) A streetlight is on top of a 35-foot pole. A person who is 7 feet tall walks away from the pole at the rate of 7 feet per second. At what rate is the top of the person's s when he is 35 feet from the pole? (Enter a fraction # as: low moving away from the pole The distance between the top of the person's shadow and the pole is changing feet per second when he is 35 feet from the pole. Reload the Question Report Error Study Check Answer Try a New Version Support Privacy Policy Terms of Use eMath.com Copyright @2009-2022,All rights reserved