a grocery store is selling ground beef for $1.89 a pound. how much does it cost to buy 2.5 pounds of ground beef? please help my
1 answer:
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The Lagrangian is
with critical points where the partial derivatives vanish.
Substitute into the last equation and solve for
:
Then we get two critical points,
We get an absolute maximum of at the second point, and an absolute minimum of
at the first point.