Consider the function $f(x) = x^2 +2\sqrt{x}$.  Evaluate $2f(2) - f(8)$.
Question:
Consider the function $f(x) = x^2 +2\sqrt{x}$.  Evaluate $2f(2) - f(8)$.
Answer:
Let's think step by step.

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Consider the function $f(x) = x^2 +2\sqrt{x}$.  Evaluate $2f(2) - f(8)$.
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