Let a Denote the Area Enclosed by the Graph $f ( x ) = \sqrt { x },$

Multiple Choice

Let A denote the area enclosed by the graph $f ( x ) = \sqrt { x },$ the x-axis, and the lines $x = 1$ and $x = 9$ . By part 2 of the Fundamental Theorem of Calculus, A is

A) $\frac { 50 } { 3 }$
B) $\frac { 52 } { 3 }$
C) $\frac { 54 } { 3 }$
D) $\frac { 56 } { 3 }$
E) $\frac { 58 } { 3 }$