Express the sum using summation notation.3 + 12 + 27 + . . . + 75
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the inequality. Graph the solution set and write it in interval notation.4x + 1 < 21
A. (5, ?)
B. [5, ?)
C. (-?, 5)
D. (-?, 5]
Mathematics
Find the integral.
A. 
- 
+ C
B. - 
+ 
+ C
C. 
- 
+ C
D. - 
+ 
+ C
Mathematics
Write the ratio in lowest terms.81 years to 90 years
A. 9
B. 
C. 
D. 
Mathematics
Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the range of g.
A. {January, February, March, April} B. {(January, 2000), (February, 2057), (March, 2041), (April, 2062)} C. {2000, 2057, 2041, 2062} D. {(2000, January), (2057, February), (2041, March), (2062, April)}
Mathematics