Let 
. Find the domain of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Solve the problem.In a survey of 148 vacationers in a popular beach resort town, 68 indicated they would consider buying a home there, 50 would consider buying a beach villa, 42 would consider buying a lot, 21 would consider both a home and a villa, 23 would consider both a home and a lot, 14 would consider both a villa and a lot, and 8 would consider all three. How many vacationers would not consider any of the three? How many would consider only a home?
A. 38; 13 B. 38; 23 C. 38; 32 D. 46; 45
Use the Gauss-Jordan method to solve the system of equations.-2x + 8y - z = 45 x + 7y + 8z = 122 5x + y + z = 21
A. (-1, 7, 2) B. (1, 7, 9) C. (1, 9, 7) D. No solution
Find the sum of the first five terms of the indicated geometric series.
, 
, 
, 
, . . .
A. 
B. 
C. 
D. 226
Determine whether the function is one-to-one.
{(–4, –3), (–6, 0), (1, –4), (–8, –3), (–5, –2)} A) One-to-one B) Not one-to-one