Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.(A ? B) ? C
A. {-3, -1, 2, 5}
B. {-3, -1, 2, 4, 5, 9}
C. {-3, -1, 2}
D. {-3, 2, 5}
Answer: B
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Use a definite integral to find an expression that represents the area of the region between the given curve and the x-axis on the interval [0, b].y = 
+ 7
A. - 
- 7b
B. 
+ 7
C. - 
- 7
D. 
+ 7b
Approximate the area under the curve using 10 inscribed rectangles and then using 10 circumscribed rectangles. Also find the exact area under the curve.y = 4x + 7 between x = 0 and x = 2
What will be an ideal response?
Solve the problem.The five sales people at Southwest Appliances earned commissions last year of $15,000, $24,000, $44,000, $20,000, and $29,000. Find the mean commission.
A. $27,720 B. $29,040 C. $26,400 D. $25,080
Use the fundamental identities to simplify the expression.
A. sec2? B. tan2? C. sin ? D. cos3?