Compute the distance between the points.(9, 6, 9), (x, y, z)
A. 
B. (9 + x)2 + (6 + y)2 + (9 + z)2
C. 
D. (9 - x)2 + (6 - y)2 + (9 - z)2
Answer: C
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A truck must drop off furniture at 4 different homes (A, B, C, and D) as shown in the graph below, starting and ending at A. The numbers on the edges represent distances (in miles) between locations. The truck driver wants to minimize the total length of the trip.
The nearest-neighbor tour starting with vertex A is given by:
A. A, B, C, D, A. B. A, C, B, D, A. C. A, B, D, C, A. D. A, D, C, B, A. E. none of these
Give the equation of the horizontal asymptote, if any, of the function.f(x) = 
A. y = 0 B. y = 4 C. y = 3 D. none
Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula 
How much will today's dollar be worth in 2 years? Round the answer to the nearest cent.
A. $1.21 B. $0.08 C. $0.56 D. $0.78
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-5x2 + 19x + 4
A. Prime B. (-5x + 1)(x - 4) C. -(5x - 1)(x + 4) D. -(5x + 1)(x - 4)