Uses the following procedure: write the first number as 6 and then use a coin to determine to multiply by two and subtract by one.

A. 2 n+5, where n is the number of coin tosses
B. 3×2 n−4, where n is the number of coin tosses
C. −52 n−5, where n is the number of coin tosses
D. 3×2 n+4, where n is the number of coin tosses