Sketch the curve \(y = - \frac { 1 } { x ^ { 2 } }\).
Sketch the curve \(y = 3 - \frac { 1 } { x ^ { 2 } }\).
The curve \(y = - \frac { 1 } { x ^ { 2 } }\) is stretched parallel to the \(y\)-axis with scale factor 2 . State the equation of the transformed curve.