Use the given table of y = ax2 + bx + c to solve ax2 + bx + c = 0.
A. -1, 3
B. -1, 1.5
C. 1, -3
D. 0, 1.5
Answer: A
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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 computers in a school of 350 students?
A. About 126 students B. About 70 students C. About 63 students D. About 36 students
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Combine the following, if possible.18
+ x
A. 18x
B. 19x2
C. 18x2
D. 19x
Find the indicated function.A group of men want to share equally in the $240 cost of painting a building. At the last minute, two men drop out. This raises the share of each remaining man by $32. If x represents the original number of men in the group, what is a function to represent the amount of increase in cost for each man still remaining?
A. C(x) = 
+ 
B. C(x) = 
- 
C. C(x) = 
- 
D. C(x) = 240(x - 2) - 240x