Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer written materials in a school of 650 students?
A. About 59 students
B. About 234 students
C. About 9 students
D. About 117 students
Answer: A
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Solve the problem.Tuition at a certain college recently increased from $3000 to $5000. Find the ratio of the increase in price to the original price in simplest form.
A. 3 to 8 B. 2 to 3 C. 3 to 5 D. 2 to 5
Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
Solve.It is estimated that y, the number of items of a particular commodity (in millions) sold in the United States in year x, where x represents the number of years since 1990, is given by the formula 
That is, 
represents 1990, 
represents 1991, and so on. According to the formula, how many items sold in 2000?
A. 20.72 millions B. 51.20 millions C. 19.16 millions D. 3.56 millions
Given the graph of the function f(x), find a formula for g(x) in terms of f.f(x)g(x)
?
A. g(x) = f(x + 3) B. g(x) = f(x - 3) C. g(x) = f(x) - 3 D. g(x) = f(x) + 3