Determine each sentences true of false

1) An R function can have no arguments.

2) You cannot write a R function inside another R function.

3) An R for loop automatically increases its iterator (or counter) based on the input vector of times.

4)The use of parentheses defines an R expression.

5) The number of arguments that an R function can take is limited to 10.

6) An R function that starts with a dot (e.g..myfun()) is an invalid name for a function.

7) Thestop()function allows you to stop execution by raising a warning message.