Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(A) = 33, n(B) = 19, n(A ? B) = 1, n(A' ? B') = 9. Find n(U).
A. 64
B. 51
C. 52
D. 60
Answer: D
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = -3x + 8y
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
B. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c > 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
D. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines 
c ? 0
Solve the problem.If 5 newborn babies are randomly selected, how many different gender sequences are possible?
A. 120 B. 32 C. 25 D. 10
Solve the problem.Rewrite the following in the form of a single exponential: 132 ? 130
A. 132 B. 130 C. 26 D. 0
Factor out the greatest common factor with a negative coefficient.-30x + 10
A. -10(3x + 1) B. -5(6x - 2) C. -10(3x - 1) D. -2(15x - 5)