Answer the following statements true (T) or false (F)

1. It is possible for a function to have some parameters with default arguments and some without.
2. A function's return data type must be the same as the function's parameters.
3. One reason for using functions is to break programs into manageable units or modules.
4. You must always furnish an argument with a function call.

1. T
2. F
3. T
4. F