Analyzing Tables Answers

A 2-column table with 9 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2, 3, 4, 5, 6. The second column is labeled f of x with entries 0, 45, 64, 45, 0, negative 35, 0, 189, 640.

Which table shows a function that is decreasing only over the interval (–1, ∞)?

A 2-column table with 8 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1, 2, 3, 4. The second column is labeled f of x with entries negative 2, 0, 2, 2, 0, negative 8, negative 10, negative 20.

Which table shows a function that is increasing only over the interval (–2, 1), and nowhere else?