Question

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

Answer 1

look to see if there is a repetition in the first numbers of each pair

Answer 2

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

Answer 3

no , there aren't and thank you.