Perform the Multiplication $4 x ^ { 3 } ( 7 x )$

Multiple Choice

Perform the multiplication: $4 x ^ { 3 } ( 7 x )$

A) $11 x ^ { 4 }$
B) $11 x ^ { 3 }$
C) $28 x ^ { 3 }$
D) $28 x ^ { 4 }$