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

question 3

Multiple Choice

Given the function $q(x) =x^{3}$ , which of the following is equivalent to $q(2 x+a) +q(x)$
?

• A) \(8 x^{3}+a^{3}\)
• B) \(9 x^{3}+a^{3}\)
• C) \(8 x^{3}+12 x^{2} a+6 x a^{2}+a^{3}\)
• D) \(9 x^{3}+12 x^{2} a+6 x a^{2}+a^{3}\)

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