Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9 members? Assume that no member can hold more than one office.
A. 24 B. 126 C. 36 D. 3024
Answer the questionHow can the graph of f(x) = 
+ 4 be obtained from the graph of y = 
?
A. By making a horizontal shift of 10 units to the left and a vertical shift of 4 units down B. By making a horizontal shift of 4 units to the right and a vertical shift of 10 units down C. By making a horizontal shift of 4 units to the left and a vertical shift of 10 units up D. By making a horizontal shift of 10 units to the right and a vertical shift of 4 units up
Determine where the given function is increasing and where it is decreasing. s(x) = -x2 - 24x - 95
A. Increasing on (-?, -12], decreasing on [-12, ?) B. Decreasing on (-?, -12], increasing on [-12, ?) C. Decreasing on (-?, -12] and [0, ?), increasing on [-12, 0] D. Increasing on (-?, ?)
Multiply.
A. -7 B. 14 C. 7 D. -14 E. -11