C the answer hehehehehehehwhw
Answer:
The current that produces maximum power is 3A
Step-by-step explanation:
Given

Required [Missing from the question]
The current that produces maximum power
First, we represent the function in standard form


Open bracket


The maximum value of c is:

Where:

By comparison: 



So, we have:




A=2πrh+2πr2=2·π·6·25+2·π·6^2 so the answer is D
Answer:
answer might be
10/-3
Step-by-step explanation: