Question: f (x:xs) = x What is its type? (5 points). Note: that type has a formal meaning in Haskell, that is, there is only one

f (x:xs) = x
What is its type? (5 points). Note: that "type" has a formal meaning
in Haskell, that is, there is only one correct (and very precise)
answer
Which (standard prelude) library function does "f" correspond to? (5
points)
Hint: put the definition of "f" into a Haskell script and then run it
with GHCi to see how it behaves, and check the type with the ":type"
command

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