Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the graph to answer the question.
What were the total sales for 2000?
A. $50,000 B. $582,000 C. $48,000 D. $764,000
Mathematics
Find the values of x for which the expression is a real number.
A. [46, ?) B. (46, ?) C. (-?, 46) D. (-?, 46]
Mathematics
Write a third-degree polynomial equation with real coefficients and the roots 3, i.
What will be an ideal response?
Mathematics
For the given function f(x), find f-1(x). State the domain of f-1(x).f(x) = 
- 3
A. f-1(x) = x + 3, x ? - 3 B. f-1(x) = -(x + 3)2, x ? - 3 C. f-1(x) = (x - 3)2, x ? - 3 D. f-1(x) = (x + 3)2, x ? - 3
Mathematics