Evaluate the Piecewise Function at the Given Value of the Independent

Multiple Choice

Evaluate the piecewise function at the given value of the independent variable.
- $h ( x ) = \left\{ \begin{array} { l l } \frac { x ^ { 2 } - 7 } { x - 1 } & \text { if } x \neq 1 \\ x + 1 & \text { if } x = 1 \end{array} \right.$

A) 2
B) undefined
C) 0
D) $- 2$