Question

1. Which sets of ordered pairs represent functions? A.(-1,3) (-1,5) (0,0) (1,-5) (1,-5)B.(-7,1) (-7,2) (-7,3) (-7,4) (-7,5)C.(1,2) (2,2) (3,2) (4,2) (5,2)D.(0,0) (1,1) (2,8) (3,27) (4,65)

Answer 1

For a set of ordered pairs to be regarded as a function, then it means for every value of x, there must be ONLY ONE corresponding value of y.

Looking at the options given,

$(0,0),(1,1),(2,8),(3,27),(4,65)$

Only option D represents a function