Solve the problem.For approximately what values of x can tan-1 x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.26547
B. |x| < 0.25873
C. |x| < 0.31386
D. |x| < 0.32085
Answer: D
Mathematics
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A. Converges; 1
B. converges; 
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D. Diverges
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Solve the triangle.a = 15, b = 15, c = 14
A. A = 63.2°, B = 63.2°, C = 53.6° B. A = 55.6°, B = 62.2°, C = 62.2° C. A = 62.2°, B = 55.6°, C = 62.2° D. A = 62.2°, B = 62.2°, C = 55.6°
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Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 18 feet by 24 feet and the area of the rug is 160 square feet, how wide will the border be?
A. 4 ft B. 6.5 ft C. 6 ft D. 5 ft
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Decide whether an expression or an equation is given.3t + 3 = 6
A. expression B. equation
Mathematics