Using S(x) = log<sub>64</sub>(x), what is the predicted number of stages when the input level is 256?
a. 5
b. 2
c. 4
d. 3
Answer: To find the predicted number of stages, we need to calculate S(256) = log64(256).
We know that 64 is 26 and 256 is 28. Therefore, log64(256) = log26(28).
Using the change of base formula, this becomes (8/6) = 4/3.
Since 4/3 is not an integer, we need to find the closest integer option. The closest option is d. 3.
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