The man's incredible generosity in gifting ten thousand dollars toward the scholarship drive was unexpected but welcomed.

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?

(1 point)
Responses

kindhearted
kindhearted

believable
believable

showing approval
showing approval

impossible to believe