Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. inconsistent
B. x = - 1 - 
w, y = - 
- 
w, z = 5 - w, where w is any real number
C. x = - 
- 
w, y = - 1 - 
w, z = 5 - w, where w is any real number
D. x = - 
+ 
w, y = - 1 + 
w, z = 5 - w, where w is any real number
Answer: C
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A. - 
B. 
C. 
D. 1
Find the area of the shaded region. y = sec2 x
A. 1 + 
B. 1 - 
C. 2 - 
D. 
Solve.A lake is stocked with 682 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 4262. The population of fish in the lake after time t, in months, is given by the function P(t) = 
.After how many months will the population be 748?
A. 17 B. 12 C. 1 D. 7
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