Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos-1
A. ?
B. 1
C. 
D. No limit
Answer: C
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Find all horizontal asymptotes of the given function, if any. f(x) = 
A. y = 0 B. y = -1 C. y = -5, y = 5 D. no horizontal asymptotes
Find the midpoint of the line segment joining the points A and B.A = (7, 1); B = (-16, -16)
A. 
B. 
C. (9, 15)
D. (-9, -15)
Find the domain and range of the relation.{(41, -3), (5, -2), (5, 0), (9, 2), (21, 4)}
A. domain: { 9, 5, 21}, range:(-?, ?) B. domain: {41, 9, 5, 21}, range: {-3, -2, 0, 2, 4} C. domain: {-3, -2, 0, 2, 4}, range: {41, 9, 5, 21} D. domain: (-?, ?), range: {-3, -2, 0, 2, 4, 41}
Solve the problem.Northwest Molded molds plastic handles which cost $0.20 per handle to mold. The fixed cost to run the molding machine is $5,253 per week. If the company sells the handles for $3.20 each, how many handles must be molded and sold weekly to break even?
A. 1,167 handles B. 1,544 handles C. 26,265 handles D. 1,751 handles