Let $f ( x ) = \sqrt { x + 1 }$

Multiple Choice

Let $f ( x ) = \sqrt { x + 1 }$ Which of the following is true for $\lim _ { x \rightarrow 1 ^ { + } } f ( x )$ ?

A) -1
B) 0
C) 1
D) $\sqrt { 2 }$
E) Does not exist