Q: In mathematical analysis, the maxima and minima (the respective plurals of maximum and minimum) of a function, known collectively as extrema (the plural of extremum), are the largest and smallest value of the function, either within a given range (the local or relative extrema) or on the entire domain of a function (the global or absolute extrema). Pierre de Fermat was one of the first mathematicians to propose a general technique, adequality, for finding the maxima and minima of functions.
Can we conclude that is relative extrema the same as local extrema?
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A: yes
Estimates vary widely between 15,000--20,000 desalination plants producing more than 20,000 m/day. Micro desalination plants operate near almost every natural gas or fracking facility in the United States.
are there any desalination plants in the us?
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Answer: yes
For nearly all models of induction cooktops, a cooking vessel must be made of, or contain, a ferrous metal such as cast iron or some stainless steels. The iron in the pot concentrates the current to produce heat in the metal. If the metal is too thin, or does not provide enough resistance to current flow, heating will not be effective. Most induction tops will not heat copper or aluminum vessels because the magnetic field cannot produce a concentrated current; ''all metal'' induction tops use much higher frequencies to overcome that effect. Any vessel can be used if placed on a suitable metal disk which functions as a conventional hotplate.

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can you use a cast iron skillet on an induction stove?

A: yes
Problem: Text: The First Order is an autocratic military dictatorship in the Star Wars franchise, introduced in the 2015 film Star Wars: The Force Awakens. Formed following the fall of the Galactic Empire after the events of Return of the Jedi (1983), the organization has amassed its power in secret over three decades. In The Force Awakens, the First Order is commanded by Supreme Leader Snoke and has begun executing its plan to depose the New Republic and reclaim control of the galaxy. The Knights of Ren are a mysterious group of elite warriors within their ranks, led by Kylo Ren. It is the canonical counterpart of the Dark Empire.

Question: is the first order the same as the empire?

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A: yes
IN: Is it true that are mahi mahi and dolphin the same thing?

The name mahi-mahi comes from the Hawaiian language and means ''very strong'', through the process of reduplication. Though the species is also referred to as the common dolphinfish, the use of ''dolphin'' can be misleading as they are not closely related to dolphins; see Coryphaena for the possible etymologies of ''dolphinfish''. In parts of the Pacific and along the English-speaking coast of South Africa, the mahi-mahi is commonly referred to by its name in Spanish, dorado. In the Mediterranean island of Malta, the mahi-mahi is referred to as the lampuka.

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OUT: no
IN: Is it true that has croatia ever made it to world cup final?

Croatia national football team have appeared in the FIFA World Cup on five occasions (in 1998, 2002, 2006, 2014 and 2018) since gaining independence in 1991. Before that, from 1930 to 1990 Croatia was part of Yugoslavia. For World Cup records and appearances in that period, see Yugoslavia national football team and Serbia at the FIFA World Cup. Their best result thus far was silver position at the 2018 final, where they lost 4-2 to France.

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OUT:
yes