Let n represent the number of the term of the sequence, with n=1 representing the first term of the sequence. Which formula represents the sequence? −3,−9,−27,...

A f(n)=−(3)n−1f of n is equal to negative 3 raised to the n minus 1 power

B f(n)=(−3)n−1f of n is equal to negative 3 raised to the n minus 1 power

C f(n)=(−3)nf of n is equal to negative 3 to the n th power

D f(n)=−(3)n