Find the Linearization $L ( x )$ Of the Function At $a$

Multiple Choice

Find the linearization $L ( x )$ of the function at $a$ .
$f ( x ) = x ^ { 2 / 3 } ; \quad a = 64$

A) $\frac { 8 } { 3 } x + \frac { 464 } { 3 }$
B) $\frac { 8 } { 3 } x + \frac { 512 } { 3 }$
C) $\frac { 8 } { 3 } x - \frac { 512 } { 3 }$
D) $\frac { 8 } { 3 } x - \frac { 464 } { 3 }$