Miscellaneous Functions Practice Test

A function is defined on the domain $\left \{ 1, 2, 3, 4, 5\right \}$ according to the above table.

Define a function . Which of the following values is not in the range of the function ?

Refer to the above diagram, which shows the graph of a function .

True or false: $f\left( \frac{1}{2} \right) = 2$.