Find the Slope of the Tangent Line of the Graph $f ( x ) = \frac { x ^ { 3 } } { 2 }$

Essay

Find the slope of the tangent line of the graph of $f ( x ) = \frac { x ^ { 3 } } { 2 }$ at the point $\left( 1 , \frac { 1 } { 2 } \right)$ .