Given the Function $q(x)=x^{3}$ , Which of the Following Is Equivalent To

Multiple Choice

Given the function $q(x) =x^{3}$
, which of the following is equivalent to $\left.q^{(} x^{5}\right) +q(x+a)$
?

A) $x^{8}+x^{3}+3 x^{2} a+3 x a^{2}+a^{3}$

B) $x^{15}+x^{3}+3 x^{2} a+3 x a^{2}+a^{3}$

C) $x^{8}+x^{3}+a^{3}$

D) $x^{15}+x^{3}+a^{3}$