Question: 9. There are several different approaches for determining the type of a variable, including type inference (e.g., Haskell), explicit type declarations (e.g., Java), and dynamic

9. There are several different approaches for determining

 the type of a variable, including type inference (e.g., Haskell),
 explicit type declarations (e.g., Java), and dynamic typing
 (e.g., PHP). Compare type inference and the other two approaches
 and describe its advantages and disadvantages.

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