A restaurant has a main location and a traveling food truck. The first matrix A shows the number of managers and associates employed. The second matrix B shows the average annual cost of salary and benefits (in thousands of dollars). Complete parts (a) through (c) below. Restaurant Food Truck Managers Associates 5 29 1 6 (a) Find the matrix product AB. 891 98 183 20 AB= (Simplify your answer.) |=A Salary Benefits Managers 39 8 Associates 24 2 =B (b) Explain what AB represents. Choose the correct answer below. A. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total benefits (in thousands) and column 2 represents total salary (in thousands) for all employees. B. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total salary (in thousands) and column 2 represents total benefits (in thousands) for all employees. C. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB represents total salary (in thousands) and column 2 represents total benefits (in thousands) for all employees. D. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB represents total benefits (in thousands) and column 2 represents total salary (in thousands) for all employees.
A restaurant has a main location and a traveling food truck. The first matrix A shows the number of managers and associates employed. The second matrix B shows the average annual cost of salary and benefits (in thousands of dollars). Complete parts (a) through (c) below. Restaurant Food Truck Managers Associates 5 29 1 6 (a) Find the matrix product AB. 891 98 183 20 AB= (Simplify your answer.) |=A Salary Benefits Managers 39 8 Associates 24 2 =B (b) Explain what AB represents. Choose the correct answer below. A. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total benefits (in thousands) and column 2 represents total salary (in thousands) for all employees. B. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total salary (in thousands) and column 2 represents total benefits (in thousands) for all employees. C. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB represents total salary (in thousands) and column 2 represents total benefits (in thousands) for all employees. D. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB represents total benefits (in thousands) and column 2 represents total salary (in thousands) for all employees.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:A restaurant has a main location and a traveling food truck. The first matrix A shows the number of managers and
associates employed. The second matrix B shows the average annual cost of salary and benefits (in thousands of
dollars). Complete parts (a) through (c) below.
Restaurant
Food Truck
Managers Associates
5
29
1
6
(a) Find the matrix product AB.
891 98
183 20
AB=
(Simplify your answer.)
|=A
Salary Benefits
Managers 39 8
Associates 24
2
=B
(b) Explain what AB represents. Choose the correct answer below.
A. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total
benefits (in thousands) and column 2 represents total salary (in thousands) for all employees.
B. Row 1 of AB represents the restaurant and row 2 represents the food truck. Column 1 of AB represents total
salary (in thousands) and column 2 represents total benefits (in thousands) for all employees.
C. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB represents total
salary (in thousands) and column 2 represents total benefits (in thousands) for all employees.
D. Row 1 of AB represents the food truck and row 2 represents the restaurant. Column 1 of AB represents total
benefits (in thousands) and column 2 represents total salary (in thousands) for all employees.
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