A2-column table with 7 rows. the first column is labeled x with entries negative 6, negative 4, negative 2, 0, 2, 4, 6. the second column is labeled f of x with entries 8, 2, 0, negative 2, negative 1, 0, 4. which is a possible turning point for the continuous function f(x)? (–2, 0) (0, –2) (2, –1) (4, 0)