The Lagrangian is

It has critical points where the first order derivatives vanish:



From the first two equations we get

Then

At these critical points, we have
(maximum)
(minimum)
<span>Proportions happen because two events or scenarios are related or associated with one another </span>
Answer:
33
Step-by-step explanation:
7x3=21
4x3=12
21+12=33
The answer is B, 20 balls in 4 seconds. Or 5 balls per second.