13. Consider the following sequence, f(n) = 7, 28, 112, 448, ..., where f(n) represents then
sequence.
Which of the following notations represent correct interpretations that can be made about
the sequence? Select three that apply.
Pick up to 3 answers.
A
f(6) = 7168
B. f(10) = 4f9)
c. f(n) = 4(n-1)
D. f(n) = 4f(n-1)
E. f(18) = 7 + (17)4