An engineering scale model shows a church that is 2 inches tall. if the scale is 1 inch = 265 feet, how tall is the actual churc
1 answer:
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For this case we have:
Let x be the variable that belongs to the real numbers. Then, all reals less than 70 can be expressed as:
The tip of the inequality is directed to the real numbers, since they tell us that they are less than 70, for 70 the inequality remains open.
Answer:
The Lagrangian,
has critical points where its partial derivatives vanish:
tells us
, so that
Then with , we get
and tells us
Then there are two critical points, . The critical point with the negative
-coordinates gives the maximum value,
.