Band trip A high school band trip will require renting buses and trucks to transport no fewer than 280 students and 16 or more large instruments. Each bus can accommodate 120 students plus three large instruments; it costs $350 to rent. Each truck can accommodate 20 students plus 5 large instruments and costs $185 to rent. How many of each type of vehicle should be rented for the cost to be minimum? Find the minimum cost.
?
A. 4 buses and no trucks: $1,400
B. 2 buses and 2 trucks: $1,070
C. no buses and 14 trucks: $2,590
D. 1 bus and 4 trucks: $1,090
E. none of these
Answer: B
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Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = 
, g(x) = 
- 2
A. 
B. 
C. 
D. 
Provide an appropriate response.The graph of the equation y = -3x2 + 6x - 9 opens 
.
A. to the left B. downward C. upward D. to the right
Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1
Determine the function which corresponds to the given graph.
The indicated point is (1, -5).
A. y = ln x - 5 B. y = ln x + 5 C. y = ln(x + 5) D. y = ln(x - 5)