Solve the rational equation. Be sure to verify the results.
- 
= 
+ 
A. {-1}
B. {1}
C. {0, 1}
D. {0, -1}
Answer: A
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Solve.Tom Quig traveled 210 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 50 mi B. 40 mi C. 30 mi D. 25 mi
As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The N-value for this population is
A. 40. B. 16. C. 800. D. 300. E. none of these
Write in expanded notation.80,520
A. 80,000 + 500 + 20 B. 8000 + 500 + 2 C. 80,000 + 5000 + 20 D. 8000 + 50 + 2
For the given functions f and g, find the indicated composition.f(x) = 
, g(x) = x - 4(g?g)(x)
A. x B. x + 5 C. (x - 4)2 D. x - 8