Answer:
Option B is correct
Step-by-step explanation:
It is D
when using the graphing calculator you put the equation in then you would also put in the point. the only one on any of the lines is D.
Differentiate both sides wrt :
By the chain rule, we get
Solve for :
I don't know if anyone know say him answer
113.0973355
using this formula: 2 π r^2 + 2 π r h