a1ndraChe0ra a1ndraChe0ra

14-12-2016
Mathematics

contestada

The surface area, S, of a sphere of radius r feet is S = S(r) = 4πr2. Find the instantaneous rate of change of the surface area with respect to the radius r at r = 4.
a. 32pi
b. 16pi
c. 64pi
d. 4pi

Respuesta :

nobillionaireNobley nobillionaireNobley

18-12-2016

S = 4πr^2
Instantaneous rate of change = dS/dr = 8πr
At r = 4, Instantaneous rate of change = 8π(4) = 32π.

Answer Link

Otras preguntas

Jill wants to make 15 no of a 40% acid solution by mixing together a 30% acid solution and a 60% acid solution. How much of each solution must she use?

Consider a political discussion group consisting of 66 democrats, 77 republicans, and 44 independents. suppose that two group members are randomly selected,

suppose an atom has a mass number of 23. which statement is true beyond any doubt? A.the

When should someone start working on bone strength? a) Teen years b) College years c) Middle age d) Senior citizen age

If the actual yield of the reaction was 75% instead of 100%, how many molecules of O2 would be present after the reaction is over? The# of No2 molecules is 8 if

In Uruguay, when you arrive at a small social function, you shouldn't greet everyone as a group. It is considered impolite. Instead you should: seek out the h

If the actual yield of the reaction was 75% instead of 100%, how many molecules of O2 would be present after the reaction is over? The# of No2 molecules is 8 if

According to weber's argument in today's reading, bureaucracy makes social equality possible. true or false?

Order the topics from broadest to narrowest.

Mike jogged a total distance of 5 and 1 over 3 miles during the months of October and November. If Mike only jogged 1 over 6 mile every day, which expression sh