Write the sample space for the given experiment.A lottery uses balls numbered 1 through 31. An even-numbered ball is picked.
A. {30}
B. {2, 4, 6, . . . , 30}
C. {1, 2, 3, . . . , 31}
D. {2}
Answer: B
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Solve the problem.Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices.LifeHealth AutoM = 
J = 
Find the matrix that would give total sales for May and June.
A. 
B. 
C. 
D. 
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x - 8
A. 
Vertex: (1, 9);
x-intercepts: (-2, 0) and (4, 0)
B. 
Vertex: (- 1, - 9);
x-intercepts: (-4, 0) and (2, 0)
C. 
Vertex: (1, - 9);
x-intercepts: (-2, 0) and (4, 0)
D. 
Vertex: (- 1, - 9);
x-intercepts: (4, 0) and (2, 0)
Find a symbolic representation for f-1(x).f(x) = 4x - 3
A. f-1(x) = 
B. f-1(x) = 
C. Not a one-to-one function
D. f-1(x) = 
+ 3
Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln e
A. 2
B. e
C. 4
D. 