What is the logarithmic function modeled by the following table?

x f(x)
8 3
16 4
32 5

select one:
a. f(x) = logx2
b. f(x) = log2x
c. f(x) = 2 log10x
d. f(x) = x log102

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55