In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
Suppose there is a crossing charge of $1.00 every time one crosses a bridge. A tourist wants to start on the South Bank, stroll across each of the bridges at least once, and return to her hotel on the South Bank at the end of the trip. What is the cheapest possible cost of such a trip?
A. Such a trip is impossible.
B. $18
C. $9
D. $10
E. none of these
Answer: D
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 5x3
A. 
B. 
C. 
D. 
Write a numerical expression for the phrase and simplify it.The quotient of -12 and -2
A. 
; 6
B. (-2)(-12); 24
C. 
; 
D. 
; 
Answer the question.In which quadrants do the fourth roots of a complex number lie?
A. The first and third quadrants if the number is real and positive, and the second and fourth quadrants otherwise B. The first and third quadrants if the number is real, and the second and fourth quadrants if the number is not real C. All four quadrants D. The first and second quadrants if the number is real, and the third and fourth quadrants if the number is not real
Find the integral.
A. - e1/t3 + C
B. - 
+ C
C. - 
+ C
D. 
+ C