Which set of ordered pairs represents a function?
A. {(1, 6), (3, 2), (4, 7), (3, 4)}
B. {(4, 1), (3, 2), (3, 3), (1, 4)}
C. {(1, 6), (2, 2), (4, 7), (3, 2)}
D. {(1, 2), (1, 3), (1, 4), (1, 5)}
The table shown represents a function.
x f(x)
1 6
2 7
3 8
4 9
5 10
Which equation represents the function shown in the table?
A. f(x)=x+5
B. f(x)=7
C. f(x)=6
D. f(x)=x+4