Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. B is incident from D, E, and A; C is incident to E and A and incident from D; E is incident to D and incident from A.Vertex E is
A. incident to vertex C only.
B. incident to vertex B only.
C. incident to vertices B and D.
D. incident to vertex A only.
E. none of these
Answer: C
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The growth of a town's population is modeled by 
. How large will the population be when 
?
? Please enter your answer as a number without the units, rounded to the nearest integer. Fill in the blank(s) with the appropriate word(s).
Graph the given logarithmic function. y = log5x
A. 
B. 
C. 
D. 
Solve the problem.The appliance store where the Jordans shop offers a 5% discount for paying cash. The Jordans received a discount of $47. What was their total bill before the discount? Round to the nearest dollar.
A. $200 B. $2 C. $940 D. $9
Solve the problem.Quail are game birds that fair poorly when their habitat is encroached. Wildlife biologists have discovered that the population of quail in a region can be related to the percent of the region that has been paved with roads and parking lots. The population is P = k ln
, 0 ? x ? 28,where x is the percent of the region that is paved. For a particular rural region, 
when 
Predict what the quail population will be in this
region when it becomes 6% paved. A. 612 quail B. 559 quail C. 0 quail D. 570 quail