Solve the problem.Find an equation for the level surface of the function 
that passes through the point (?, ?, 1) .
A. 
= 1
B. cos 
= 2?
C. 
= 2?
D. cos 
= 0
Answer: C
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Solve the problem.The floor plan of a building is a rectangle which measures 240 meters by 60 meters. Find the floor area of the building.
A. 600 sq m B. 14,410 sq m C. 14,400 sq m D. 14,390 sq m
A businesswoman's flight leaves Atlanta at 1 P.M. and arrives in New York at 3:45 P.M. Express the duration of the flight as a mixed number. ?
A. 
hr.
B. 
hr.
C. 
hr.
D. 
hr.
E. 
hr.
Solve the problem.A size 44 dress in Country C is size 6 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find the inverse function.
A. f-1(x) = 2(x - 16) B. f-1(x) = x + 16 C. f-1(x) = 2x + 16 D. f-1(x) = 2(x + 16)
Refer to this figure to decide whether the statement is true or false. 
?KLG is an obtuse angle.
A. True B. False