Determine if the mapping below represents function. Justify your answer.

Question

2 ---> -1
3 ---> 3
6 ---> 4
8 ---> 3
10 ---> 8
Function: Every output number is number is mapped to exactly one output.

Not a function: Every input Number is mapped to exactly one output.

Not a function: every output number is mapped to exactly one input number.

Function: every input number is mapped to exactly one output number.

Answer 1

The answer is a function: every input number is mapped to exactly one output number. This is because each input number has a corresponding unique output number.