Find the limit.
coth x
A. 0
B. 1
C. ?
D. -?
Answer: B
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Match the vector equation with the correct graph.
r(t) = 
ti +(2 - t)k; 0 ? t ? 2
A. Figure 8 B. Figure 1 C. Figure 5 D. Figure 3
Solve.The ratio of the weight of an object on Earth to an object on Planet X is 5 to 7. If a person weighs 140 pounds on Earth, find his weight on Planet X. (Round to the nearest whole number, if necessary.)
A. 196 pounds B. 100 pounds C. 4900 pounds D. 4 pounds
A parking lot contains a total of 52 cars and motorcycles. There are a total of 180 tires (not counting spare tires) in the lot. Assuming each car has 4 tires and each motorcycle has 2 tires, determine how many cars and how many motorcycles are in the parking lot.
a. 38 motorcycles and 14 cars b. 14 motorcycles and 38 cars c. 26 motorcycles and 26 cars d. 6 motorcycles and 46 cars e. 22 motorcycles and 30 cars
Solve the problem.A lake lies between A and C, and lines AB and DE run north-south. If 
and 
how far is it from A to C? Round to the nearest tenth.
A. 10.9 mi B. 3.9 mi C. 5.0 mi D. 5.3 mi