Give the domain and range of the relation.Annual New Telemarketing Companies
A. domain: {56, 112, 178, 187, 318}; range: {1995, 1996, 1997, 1998, 1999}
B. domain: {1995, 1996, 1997, 1998, 1999}; range: {56, 112, 178, 187, 318}
C. domain: {Year}; range: {Number}
D. None of these
Answer: B
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Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Classify the sequence as arithmetic, geometric, Fibonacci, or none of these and supply the next term. ? 3, 15, 75, 375, ... ?
A. Fibonacci and a5 = 450 B. None and a5 = 98 C. Arithmetic and a5 = 380 D. Geometric and a5 = 1,125 E. Geometric and a5 = 1,875
Solve the problem.A woman made a deposit of $327. If her deposit consisted of 87 bills, some of them one-dollar bills and the rest being five-dollar bills, how many one-dollar bills did she deposit?
A. 60 one-dollars B. 17 one-dollars C. 27 one-dollars D. 22 one-dollars
Solve the problem.The phone company needs to install a line from point A on shore to an island that is 4 miles away from point B, as shown in the drawing below. The cost associated with installing underwater cable is $18,600 per mile, while the cost associated with installing cable over land is $9000 per mile. For the project to be completed at minimum cost, how much of the cable should be installed over land? In other words, at what distance from point A should the company stop laying cable over land? Round your answer to the nearest tenth of a mile, if necessary.4 miles
? 10 miles
A. 6.8 miles B. 8.8 miles C. 9.8 miles D. 7.8 miles