25.
26.
Domain / Range and Functions
Which of the following relations is a
function?
A. {(-2,-2),(-2,-1),(-2,0),(-2,1),(-2,2)}
B. {(1,0),(-1,0), (2,1),(-2,1),(3,2), (-3,2)}
C. {(-2,1),(-1,2), (0,0),(-1,1),(2,-2)}
D. {(-3,3), (1,3),(-3,2), (1,2), (-3,1),(1,1)}
What is answer