Solve the problem.The following data is exactly linear. Find a linear function that models the data, and use the function to solve the inequality 17 ? f(x) < 23.
A. 4 ? x < 
B. 3 ? x < 
C. - 3 ? x
D. - 
? x < 3
Answer: B
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = 3ti + 
j + 
k; -1? t ? 7
A. 40 B. 200 C. 150 D. 30
Mathematics
Use the figure to answer the question.The weights (in pounds) of a group of high school students are listed below in a 
plot.
What is the most frequent weight?
A. 159 B. 114 C. 142 D. 99
Mathematics
For the given function expressed verbally, give a symbolic representation.To convert x square feet to y square yards, divide x by 9. Let y = f(x).
A. f(x) = 9/x B. f(x) = 9x C. f(x) = x - 9 D. f(x) = x/9
Mathematics
Solve the problem.How many different ways can a teacher line up 10 students for lunch?
A. 3,628,800 B. 39,916,800 C. 362,880 D. 10
Mathematics