The phrase "assumed the functions of" is correct and usable in written English.
It can be used when describing someone taking on specific roles or responsibilities within an organization or context.
Example: "After the restructuring, she assumed the functions of the project manager, overseeing all team activities."
Alternatives: "took on the roles of" or "adopted the responsibilities of".
The PMAC was administered by the Derg and assumed the functions of government, with Lieut.
The Superior Court of the District of Columbia, a single trial court, assumed the functions of the previous five courts.
Gentil has asked for Bellamy because he wishes the inspector to hear his confession the decent cop, in a godless world, having tacitly assumed the functions of a priest.
In 1835, therefore, when Ferdinand succeeded his father, Metternich, at first together with the archduke Louis (Ludwig), took the chair at the "conference," or council of state that assumed the functions of a regency.
There thus grew up, especially in the Midwest and Far West, "pastoral meetings" in which a paid minister assumed the functions of delivering a sermon and exercising pastoral care of members.
Gentil has asked for Bellamy because he wishes the inspector to hear his confession — the decent cop, in a godless world, having tacitly assumed the functions of a priest.
In 1977, when Harvard assumed the function of educating undergraduates, Radcliffe effectively ceased to be a college in anything but name.
Like some other reality TV stars (the Bravo housewives come to mind), characters like Snooki have assumed the function of a new kind of stooge.
As a result, the emperor created the Zongli Yamen ("Office for General Management"), which assumed the function of a foreign affairs office and played an important role in the modernization of China over the next 40 years.
The regulatory process assumed the function of transmitting this information to industry and the scientific community, trying to influence design decisions in relation to products in response to social demands.
