Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)  and  

A. Yes
B. No


Answer: A

Mathematics

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Find the domain and range of the function represented in the graph.

A. Domain: [-3, 2) ; Range: [-2, 3) B. Domain: (-?, 3 ]; Range: (2, ?) C. Domain: (-3, 2 ]; Range: (-2, 3] D. Domain: [-2, 3); Range: [-3, 2)

Mathematics

Check the addition. If the answer is incorrect, find the correct answer.1669

A. Incorrect; should be 1656 B. Incorrect; should be 1756 C. Correct D. Incorrect; should be 1679

Mathematics

Solve the inequality.90(x2 - 1) > 19x

A.
B.  or 
C.  or 
D.

Mathematics

Solve.A furniture company manufactures chairs and tables. Each chair requires 4 labor-hours to manufacture. Each table requires 3 labor-hours to manufacture. The company has 60 labor-hours available per day. These data are summarized by the linear inequality   Graph an inequality that describes when the labor-hours for making x chairs and y tables will not exceed the number of labor-hours the company has available.

A.

B.

C.

D.

Mathematics