If $g ( y ) = \sqrt { 5 y + y ^ { 2 } }$

Short Answer

If $g ( y ) = \sqrt { 5 y + y ^ { 2 } }$ represents the height in inches of a sapling y weeks after germination, find $g ^ { \prime } ( 6 )$ and interpret what it tells us about the height of the tree. Round your answer to 1 decimal place.