Which of the following input/output pairs is valid for the graph below?

Identify the correct output for each given input to spot the right answer.
According to the graph, the outputs for the inputs 2, 3, -3 and 4 are:
[tex]\begin{gathered} 2\rightarrow1 \\ 3\rightarrow3 \\ -3\rightarrow-9 \\ 4\rightarrow5 \end{gathered}[/tex]From the given options, the only one that is correct is: input 4, output 5.
Therefore, the correct choice is the last option:
[tex]\text{Input: 4, Output: 5}[/tex]