Question

find the domain and range of the relation and determine whether it is a function
{(7,1),(-10,-5),(1,1),(3,-6)}

Answer 1

domain are the first numbers in the ordered pairs
{-10, 1,3, 7}

Answer 2

range is second numbers
{-6,-5,1}

Answer 3

it is a function because first numbers do not repeat

Answer 4

thank you