Please help! I will mark as brainliest IF answer is right. <3
2 answers:
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Answer:
Step-by-step explanation:
To find the distance between two points, use the distance formula.
The distance formula is:
Let (3,-4) be x₁ and y₁ and let (5,4) be x₂ and y₂. Therefore:
Simplify:
Square:
Add:
Simplify:
Simplify:
Given:
The power generated by an electrical circuit (in watts) as a function of its current x (in amperes) is modeled by
To find:
The current which will produce the maximum power.
Solution:
We have,
Differentiate with respect to x.
...(i)
To find the extreme point equate P'(x)=0.
Divide both sides by -30.
Differentiate (i) with respect to x.
(Maximum)
It means, the given function is maximum at x=4.
Therefore, the current of 4 amperes will produce the maximum power.