Find the exact function value.sec-1(-
)
A. 
± 2?n, 
± 2?n
B. 
C. 
D. 
Answer: C
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Solve the problem using the vector form v = 
[(cos ?)i + (sin ?)j].A boat heads 220° propelled by a force of 600 lb. A wind from 132° exerts a force of 125 lb on the boat. How large is the resultant force, and in what direction is the boat moving? Round the magnitude to the nearest pound and the direction to the nearest degree.
A. 609 lb, 208° B. 652 lb, 208° C. 609 lb, 232° D. 652 lb, 232°
Write each mixed number as an improper fraction.6
A. 
B. 
C. 
D. 
Determine which inequality matches the graph.
A. y ? x B. y ? -x C. y ? x D. y ? -x
Use the circle graph to solve the problem.A survey of the 2115 vehicles on the campus of State University yielded the following circle graph.
What percent of the vehicles are hatchbacks?
A. 7% B. 74% C. 27% D. 35%