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:




The answer is 11 degrees if you want to know why this is the answer reply to my comment
Answer:
x=10/27
Step-by-step explanation:
just add the E's on one side than move over the other E than move 14 to the 4 by minusing it
Answer:
D, B
Step-by-step explanation:
D is 4 units above B