Evaluate the integral.
A. 4i + 6j - 2k
B. 4i - 6j + 2k
C. 2i + 3j - 
k
D. 2i - 3j - 
k
Answer: C
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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 850 students?
A. About 77 students B. About 306 students C. About 153 students D. About 9 students
The population of a town increases at a rate proportional to its population. Its initial population is 1000. The correct initial value problem for the population, 
, as a function of time, t, is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Translate the percent statement to a proportion.60 is 125% of 48.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Determine whether the equation defines y as a function of x. y = 5x2 - 2x + 6
A. function B. not a function