A city crew must paint the median divider along each of the 47 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
An optimal eulerization of the graph that models this problem can be obtained by adding
A. 11 edges.
B. 10 edges.
C. 14 edges.
D. 16 edges.
E. none of these
Answer: A
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Solve the equation.
= -9
A. -15 B. -14 C. 1 D. 45
Solve the equation.
= 
A. 
B. 
C. 
D. ?
Find the relative extrema of the function and classify each as a maximum or minimum.f(x) = x4 - 32x2 - 3
A. Relative maximum: (0, -3); relative minimum: (4, -259) B. Relative maximum: (0, -3); relative minima: (4, -259), (-4, -259) C. Relative minimum: (0, -3); relative maxima: (4, -259), (-4, -253) D. Relative maximum: (4, -259); relative minimum: (-4, -259)
Solve the problem.Suppose that the population of a certain town, in thousands, was 105 in 1990 and 141 in 2002. Assume that the population growth can be approximated by a straight line. Find the equation of a line which will estimate the population of the town, in thousands, in any given year since 1990.
A. y = 3x + 105 where x is the number of years since 1990 B. y = 2.5x + 105 where x is the number of years since 1990 C. y = -3x + 177 where x is the number of years since 1990 D. y = 4.25x + 90 where x is the number of years since 1990