Circle circumference Will mark brainliest
1 answer:
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we know that
The function cost is equal to
This is a vertical parabola open upward
The vertex is a minimum
The x-coordinate of the vertex represents the Number of airplane engines, that minimize the unit cost
The y-coordinate of the vertex is the minimum cost
Convert the given equation into vertex form
step 1
Factor 0.4
Complete the square
Rewrite as a perfect square
The vertex is the point (110,10,796)
therefore
<h2>The answer is 110 airplane engines</h2>