Use a CAS to Plot the Function near the Point $$\lim _ { x \rightarrow 0 } \frac { \sqrt { 1 - x } - 1 } { x }$$

Multiple Choice

Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
- $$\lim _ { x \rightarrow 0 } \frac { \sqrt { 1 - x } - 1 } { x }$$

A) 2
B) $\frac { 1 } { 2 }$
C) 1
D) $- \frac { 1 } { 2 }$