Need help here please - n | f(n)
1:56
2:28
3:14
4:7
Which function best shows the relationship between n and f(n)? (1 point)
A. f(n) = 28(0.5)n
B. f(n) = 56(0.5)n−1
C. f(n) = 56(0.5)n
D. f(n) = 112(0.5)n−1

Is it B or D?

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31 ,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28 ,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b. the means of the data sets are within 3 units from eachother. c. the data sets have the same standard deviation. d. the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.