Question

5.
X
1 1 2 2 3 3 4
FX) -1 3 4 0 5 1 6
Label:
Explanation:

Answer 1

Not a function

Explanation:

Each input can have only have one output.

x(1) can't equal both -1 and 3 at the same time.

x(2) can't equal both 4 and 0 at the same time.

x(3) can't equal both 5 and 1 at the same time.

In other words there can't be multiple X's equalling different things.