Use Newton's Method to Approximate the Zero(s) of the Function $f ( x ) = x - 2 \sqrt { x + 1 }$

Multiple Choice

Use Newton's Method to approximate the zero(s) of the function $f ( x ) = x - 2 \sqrt { x + 1 }$ accurate to three decimal places.

A) 4.828
B) 4.832
C) -4.828
D) -4.832
E) 4.822