3. (15 pts.) For each of the following type declarations, declare an object of type x a. type x= (Float, [Integer], Bool) b, type x = [Integer] -> Char c, type x = Bool-> Integer-> Float d, type x = (Float Bool, Integer) 3. (15 pts.) For each of the following type declarations, declare an object of type x a. type x= (Float, [Integer], Bool) b, type x = [Integer] -> Char c, type x = Bool-> Integer-> Float d, type x = (Float Bool, Integer)