Question

Is the relation {(3, 5), (–4, 5), (–5, 0), (1, 1), (4, 0)} a function? Explain. Type your answer below.

Answer 1

no

Answer 2

in this case the first numbers are {3,−4,−5,1,4} with no repeats
so it is a function

Answer 3

is the righht @Addu5221

Answer 4

yes its a function
a function is a realtion AxB so u must check that all the elements of A are there in the function