syrenseagraves
syrenseagraves syrenseagraves
  • 04-07-2017
  • Mathematics
contestada

Find the rate of change of the area of a circle with respect to the radius r. What is the rate when r=11?

Respuesta :

mathmate
mathmate mathmate
  • 04-07-2017
Area, A = pi (r^2)
To find rate of change, we differentiate area with respect to the radius, 
rate of change = dA/dr = 2 pi (r) 

At r=11, rate of change = 2 pi (r) = 2 pi (11) = 22 pi = 69.1

Answer Link

Otras preguntas

what is this poster asking failed to do ? A. Waste food B. Send canned food to soldiers C. Feed themselves from their own home gardens
What are three components of money management? List and explain each component.
how many hours is 220 minutes​
What are the 5 continents of asia?​
What tool would you use to reduce the digital image size.
WILL BRAINLIST!! Without Using a calculator Evaluate -81+203²
Why was new england a good place to build early factories.
The due process clause, or fair treatment within the legal system, is mentioned because
Marijuana is the only drug with a __________ tolerance.What is the tolerance/ the blank?
HELP I AM STUCK!!! Drag each example and non-example to the correct place in the sentences.hiddenin plain sightAn example of concealed is , and a non-example is