Find all points of inflection, if any exist, of the graph of the function $f ( x ) = x \sqrt { x + 3 }$. Round your answers to two decimal places.
A) $( 6,18 )$
B) $( 1,2 ) , ( 3,7.35 )$
C) $( 1,2 ) , ( 2,4.47 )$
D) $( 3,7.35 )$
E) no points of inflection

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The Answer of Find all points of inflection, if any exist, of the graph of the function $f ( x ) = x \sqrt { x + 3 }$. Round your answers to two decimal places.
A) $( 6,18 )$
B) $( 1,2 ) , ( 3,7.35 )$
C) $( 1,2 ) , ( 2,4.47 )$
D) $( 3,7.35 )$
E) no points of inflection

Find All Points of Inflection, If Any Exist, of the Graph