Which equation represents a function of x that is not linear?

It's C

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the underground railroad (apocope of the metropolitan railroad) is a system of urban trains located within a city and its metropolitan area. it is characterized for being a massive transport of passengers in the big cities, uniting diverse zones and their environs, with high capacity and frequency and in segregated form to other systems of transport. metropolitan railroads are built underground or on the surface, although most systems use mixed models where sections are combined in both modalities.

1 - as a result, the metro tends to reduce car travel for two reasons: first, due to the greater transfer of users from the car and, second, due to the reduction in the acquisition of cars in homes located in sectors near the stations of the metro.

2 -the metro allows to contribute effectively to the achievement of all the objectives of an urban development policy: it improves the efficiency of the city's economy by reducing travel costs and also generates a higher level of activities in the city center, taking advantage of of the agglomeration economies.

3 -it is a clean means of transport, since it uses renewable energy (usually electricity), taking care of the environment and avoiding excessive pollution.

every of the four river valley civilizations, religion played an enormous role in shaping and cultivating each civilization. this essay will briefly discuss how religion formed the river valley people’s government and view on geography. religion dictated how the peoples of the river valley civilizations managed government and geography.

            religious leaders played prominent roles in every river valley civilizations form of government. from ancient egypt and mesopotamia to china’s historic empire and the indus river valley, all the river valley civilizations had significant religious figures. in ancient egypt, the pharaoh was revered as a god and therefore was given his right as supreme governing authority in the eyes of the people. the elusive emperors of china gained there governing rights by a mandate of heaven creating long lines of dynasties until the common people of china felt the dynasty had lost the favor of the gods. chinese emperors were not only governing leaders but also the spiritual leaders of ancient china. mesopotamian and indus river valley priests were referred as has head officials who had vast amounts of authority in these two civilizations primitive forms of democracy. religion shaped the structure and social caste of the four river valley civilizations.

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