calculus problems

VA Quiz #6 - Math 180, Summer 1 2( x ) 2.a. If A Is The Area Of A Circle W x | + X C A webassign.net/web/Student/Assignment-Responses/randomize?dep=24145739&tags=autosave#question3803364_4 1: Apps M Gmail @ YouTube ) Maps New Tab = Free Algebra and Tr.. VA Section 2.1 - Math.. VA Math 180, Summer. 1. [1/2 Points] DETAILS PREVIOUS ANSWERS SCALCET8 3.9.002. MY NOTES ASK YOUR TEACHER (a) If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of dr/dt. dA dt dr (b) Suppose oil spills from a ruptured tanker and spreads in a circular pattern. If the radius of the oil spill increases at a constant rate of 1 m/s, how fast is the area of the spill increasing when the radius is 27 m? m2/ s 2. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET8 3.9.017.MI. MY NOTES ASK YOUR TEACHER Two cars start moving from the same point. One travels south at 48 mi/h and the other travels west at 20 mi/h. At what rate is the distance between the cars increasing four hours later? mi/h 3. [1/4 Points] DETAILS PREVIOUS ANSWERS SCALCET8 4.1.005. MY NOTES ASK YOUR TEACHER Use the graph to state the absolute and local maximum and minimum values of the function. (Assume each point lies on the gridlines. Enter your answers as a comma- separated list. If an answer does not exist, enter DNE.) Type here to search O e ^ ()) ENG 6:38 PM 7/21/2020