Solve the Problem $y = \sqrt { 16 - x ^ { 2 } }$

Multiple Choice

Solve the problem.
-How close does the semicircle $y = \sqrt { 16 - x ^ { 2 } }$ come to the point $( 1 , \sqrt { 5 } )$ ?

A) $x = 1.55$
B) $x = 2.45$
C) $x = 0.45$
D) $x = 2.00$