Find the Zeros of the Function Algebraically $f ( x ) = \sqrt { 16 x } - 1$

Multiple Choice

Find the zeros of the function algebraically.
$f ( x ) = \sqrt { 16 x } - 1$

A) x = 0, 16
B) $x = \frac { 1 } { 16 }$
C) $x = 0 , \sqrt { 16 }$
D) $x = 0 , \pm \sqrt { 16 }$
E) $x = 0 , \pm 16$