Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(A) = 33, n(B) = 15, n(A ? B) = 42, n(B') = 40. Find n(A ? B)'.
A. 36
B. 49
C. 13
D. 42
Answer: B
Mathematics
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Decide whether the given functions are inverses.f = {(3, 10), (4, 12), (5, 14), (6, 16), (7, 18)}g = {(10, 3), (12, 4), (14, 5), (16, 6), (18, 7)}
A. No B. Yes
Mathematics
Convert the decimal to a percent.0.1
A. 0.1% B. 100% C. 10% D. 0.01%
Mathematics
Subtract.1 - 9
A. 10 B. -10 C. -8 D. 8
Mathematics
Factor out the greatest common factor.72x8y7 - 84x3y5 - 24x6y2
A. 12x3(6x5y7 - 7y5 - 2x3y2) B. 12(6x8y7 - 7x3y5 - 2x6y2) C. no common factor (except 1) D. 12x3y2(6x5y5 - 7y3 - 2x3)
Mathematics