The graph of the rational function $\frac{2x^6+3x^5 - x^2 - 1}{q(x)}$  has a horizontal asymptote. What is the smallest possible degree of $q(x)$?
Question:
The graph of the rational function $\frac{2x^6+3x^5 - x^2 - 1}{q(x)}$  has a horizontal asymptote. What is the smallest possible degree of $q(x)$?
Answer:
Let's think step by step.

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The graph of the rational function $\frac{2x^6+3x^5 - x^2 - 1}{q(x)}$  has a horizontal asymptote. What is the smallest possible degree of $q(x)$?
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