F(x) has domain ✔ {–4, –2, 0, 2, 4}
, and range
✔ {–2, –1, 0, 1, 2}
.

The rule that maps each domain value to its range value is f(x) =
x.

A 2-column table with 5 rows. Column 1 is labeled x with entries negative 4, negative 2, 0, 2, 4. Column 2 is labeled f (x) with entries negative 2, negative 1, 0, 1, 2.