Use the sentence to answer the question.

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The man's incredible generosity in gifting ten thousand dollars toward the scholarship drive was unexpected but welcomed.
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The root of the word is cred, which means "to believe." The prefix of the word is in, which means "not." Based on its root and prefix, which might incredible mean in this sentence?
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(1 point)
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O believable
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• showing approval
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• kindhearted
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• impossible to believe

Based on its root "cred," which means "to believe," and the prefix "in," which means "not," the word "incredible" might mean "impossible to believe" in this sentence.