Please answer and explain each thoroughly. Thank you!

*.64. DATA TRANSFER In the year 2000, Digicorp, a data management firm, began transferring files from antiquated databases and storing them on more modern systems. Nleasured in years after 2010, the function R(t) = represents the number of databases remaining to be transferred. a. What is the domain of R? b. How many databases were present when Digicorp began the transfer? c. How many databases still needed to be transferred in 2007? d. Approximately how many databases had been transferred as of 201 1 ? e. The data transfer was scheduled to be complete by 2015. Will the engineers accomplish this goal? Explain.