Consider the functions f(x)=x−7 and g(x)=4x^3.
What is f(x)+g(x)?

f(x)+g(x)=4x^3+x−7
f(x)+g(x)=4x^3+x
f(x)+g(x)=x+x
f(x)+g(x)=−4x^3−x+7
A?

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