Solve the problem.An economy has three sectors: labor, transportation, and food industries. Suppose the demand on 1 dollar in labor is 35 cents for transportation and 15 cents for food, the demand on 1 dollar in transportation is 55 cents for labor and 31 cents for transportation, and the demand on 1 dollar in food production is 55 cents for labor, 5 cents for transportation, and 33 cents for food. Outside consumer demand for the current production period is 12,000 dollars for labor, 21,000 dollars for transportation, and 12,000 dollars for food. Write an augmented matrix for this economy.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics
Solve by extracting square roots.(x + 16)2 - 3 = 0
A. {-4 ± 
}
B. {-16 ± 
}
C. {-16 ± i
}
D. {-13, 19}
Mathematics
Graph using a graphing utility and identify the x- and y-intercepts from the graph. Use the indicated graphing window dimensions.x - 3y = 6 (window size [-10, 10, 1] by [-10, 10, 1])
A. x-intercept = -6; y-intercept = -2
B. x-intercept = -2; y-intercept = 6
C. x-intercept = -3; y-intercept = -
D. x-intercept = 6; y-intercept = -2
Mathematics
Solve the problem.Suppose that the value V of a certain product decreases, or depreciates, with time t, in months, whereV(t) = 100 - 
.Find 
V(t).
A. 85 B. 70 C. 100 D. 30
Mathematics