Question

If ƒ={(5, 1),(6, 2),(7, 3),(8, 1),(9, 7)}, then the range of ƒ is
A. {(1, 5),(2, 6),(3, 7),(1, 8),(7, 9)}
B. {1, 2, 3, 7}
C. {5, 6, 7, 8, 9}

Answer 1

Range is all y values if I'm correct. So, you would Look at the y axis numbers and all of those are your range. If there are more than one number (4,3; 7,3) Then only put 3 down once.
(Please medal)

Answer 2

so B?