The graph of $y = \frac { 1 } { x ^ { 2 } }$ is shown below.

1. What is the domain of the function?

   Hint (a):

   Are there any vertical asymptotes or holes?

2. What is the range of the function?

   Hint (b):

   Are there any horizontal asymptotes?

3. Solve $\frac { 1 } { x ^ { 2 } } = 4$

   Hint (c):

   Use the graph.

4. Solve $\frac { 1 } { x ^ { 2 } } < 4$

   Hint (d):

   Use the graph.