Find the inverse of the matrix (if it exists).A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Answer: B
Mathematics
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For the given functions f(x) and g(x), find the product or quotient as indicated.If f(x) = 
+ 2 and g(x) = 
- 2, find 
.
A. 
B. 
C. -1
D. 4
Mathematics
Solve the problem.What is (
)n if n is an even whole number?
A. 1
B. 
C. 
D. n
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.y? - x2 + 8x - y< 3
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. 5x + 4
B. 7x + 4
C. 5x + 12x3 + 
D. 5x + 4 + 
Mathematics