Help please
Determine the range of the following graph:

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3