Choose if each statement is true or false.

Question

{(1,2),(3,6),(4,-7),(6,-10)} is a function
{(1,1),(2,2),(3,3),(4,4) is a function
{(1,3),(2,5),(7,9),(2,12)} is a function
{(1,8),(2,8),(3,8),4,8)} is a fuction

Answer 1

True, True, False, True