Rewrite the expression in terms of sin ? and cos ?.
A. cos ?
B. cos2 ?
C. sin2 ?
D. sin ?
Answer: B
Mathematics
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 2 B. 1 C. 0 D. No limit
Mathematics
Graph.f(x) = 4x + 1 - 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The length and area of the rectangle are given. Express the width as a binomial. 
A. 3x + 2 B. 4x - 2 C. 4x + 3 D. Not enough information.
Mathematics
Solve the problem.A hotel manager predicted an average occupancy rate of 
during the slow season. The occupancy rate turned out to be 0.48. Was the manager better off or worse off than he expected to be?
A. Worse off B. Better off
Mathematics