Solve the problem.Trains S and T are both traveling in the same direction. Their distance in miles North of Chicago after x hours are computed by the functions fS and fT, respectively, and their graphs are shown in the figure for 
During what time interval is Train T closer to Chicago than Train S? 
A. always, or x ? 0
B. between 3.3 and 8 hours, or 3.3 < x ? 8
C. between 0 and 3.3 hours, or 0 ? x < 3.3
D. after 3.3 hours, or x > 3.3
Answer: C
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Solve the problem.A group of five entertainers will be selected from a group of twenty entertainers that includes Small and Trout. In how many ways could the group of five include at least one of the entertainers Small and Trout?
A. 8568 ways B. 6936 ways C. 15,504 ways D. 11628 ways
Find the function value.Let g(x) = 
. Find g(-2).
A. 0 B. 3 C. does not exist D. 1
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB =
Tuition for Student 1 is $1210, tuition for Student 2 is $1273, and tuition for Student 3 is $832.
B.
AB = 
College A costs $937 and College B costs $1140.
C.
AB = 
College A costs $892 and College B costs $1026.
D.
AB = 
Tuition for Student 1 is $1200, tuition for Student 2 is $1243, and tuition for Student 3 is $827.
Solve the problem.Find the perimeter of the polygon with the following vertices. Round to the nearest hundredth. A(1, 1), B(2, 5), C(5, 4), D(4, 2), E(3, 2)
A. 10.52 B. 12.76 C. 11.52 D. 14.64