What does the$$mutate$$function from the dplyr package do$?$

Question $5$Select one:

a$.$

the function adds a column $($or columns$)$ to a newly created variable to the current data frame $($or tibble$)$

b$.$

the function replaces the values of one of the columns $($or columns$)$ of a data frame $($or tibble$)$ and returns only that new column $($or columns$)$

c$.$

the function replaces the values of one of the columns $($or columns$)$ of a data frame $($or tibble$)$

d$.$

the function creates a data frame $($or tibble$)$ with just the new column $($or columns$)$ created