Use the Gauss-Jordan method to solve the system of equations.3x + 2y + z = 42x - 3y - z = 55x + 12y + 5z = 2
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Find the volume generated by revolving about the x-axis the region bounded by the following graph:
A. 196?
B. 
?
C. 
?
D. 14?
If a person drives 208 miles, his average speed S, in miles per hour, for the trip depends on the time t, in hours, spent driving. The relationship is
?
.
A. Make a graph of average speed versus time spent driving. Include driving times of up to 5 hours.B. Is the graph concave up or concave down?C. For a 208-mile trip, would an increase in speed make more difference in average velocity for a slow driver or for a fast driver?
What will be an ideal response?
Provide an appropriate response.Raise to the indicated power: 
2
A. 
B. 
C. 
D. 
Graph the rational function.f(x) = 
+ 1 
A. 
B. 
C. 
D. 