Determine whether a any sequence defined by a graph increases, decreases or is not monotonic Algebra I

Determine whether the following sequences are increasing, decreasing or not monotonic.

This sequence is increasing.

This sequence is decreasing.

This sequence is not monotonic.

This sequence is increasing.

This sequence is decreasing.

This sequence is not monotonic.

This sequence is strictly increasing.

This sequence is strictly decreasing.

This sequence is not monotonic.

This sequence is constant.

This sequence is increasing.

This sequence is decreasing.

This sequence is not monotonic.

This sequence is increasing.

This sequence is decreasing.

This sequence is not monotonic.

This sequence is increasing.

This sequence is decreasing.

This sequence is not monotonic.

This sequence is increasing.

This sequence is decreasing.

This sequence is not monotonic.