Answer:
B. False
Step-by-step explanation:
f(x) is a not a function because:
The element 0 in X or the input dataset has two relationships and let's recall that a function is single valued. It will not give back two or more results for the same input. In this case, 0 has relationship with 0 and 1 from the output set.
The other elements 3, 6, and 9 fulfill this single value condition, no matter 6 and 9 have the same relationship with the element 3 from the output set.
The correct answer is B. False.
