Identify the relation that is also a function. a. {(1, 0) (2, 3) (3, -2) (1, 6)} b. {(3, 2) (3, -2) (3, 6) (3, 8)} c. {(-1, 1) (0, 0) (1, 1) (2, 4)} d. {(3, 4) (2, 3) (3, 6) (2, 0)}

  C.  {(-1, 1) (0, 0) (1, 1) (2, 4)}

Step-by-step explanation:

A relation is not a function if values of the independent variable are repeated.

  A: (1, -) appears twice

  B: (3, -) appears 4 times

  C: a function

  D: (3, -) appears twice; (2, -) appears twice

i need more details sorry

step-by-step explanation: