Find absolute maximum and minimum value a function given by $f(x) = 12x^{\frac{4}{3}} - 6x^{\frac{1}{3}} , x \in [-1,1]$

Question

$(A)\; maximum\; 18; minimum \;1/8$
$(B)\; maximum \; 6 ; minimum \; 0$
$(C)\; maximum \;1/8\; ; minimum \;-18$
$(D)\; maximum \;8 \;; minimum \; 1/18$