Find the inverse of the matrix 
(if it exists).
a. 
b. 
c. 
d. does not exist
b.
The inverse of the matrix 
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Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 6 vertices, two of degree 2, three of degree 1, and one of degree 3.
A. 5 edges B. 10 edges C. 6 edges D. 20 edges
Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = cos x and y = 5x
A. x ? 0.085064 B. x ? 0.197264 C. x ? 0.196164 D. x ? 0.696164
Which of the following support activities is responsible for recruiting the human capital that is needed to complete all of the other primary and support activities?
A. Research and Development B. Marketing C. Human Resource Management D. Operations Management
Use a number line to find the sum.-1 + 5
A. -4 B. 4 C. -6 D. 5