Select Is a Function or Is not a Function to correctly classify each relation. {(2, 2),(4, 4),(6, 6),(8, 8)} is this function or not function
{(0, 3),(3, 5),(5, 6),(8, 4)} is this function or not function
{(1, 2),(3, 3),(4, 8),(6, 3)} is this function or not function
{(3, 4),(5, 2),(5, 6),(7, 3)} is this function or not function
Please help me I will give you the brain thing and extra points.

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.

The answer is idk yo