Multiply or divide as indicated.
? 
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.For approximately what values of x can cos x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.22894 B. |x| < 0.33098 C. |x| < 0.23403 D. |x| < 0.14422
Find the value of (f ? g)' at the given value of x.f(u) = 
, u = g(x) = 
, x = 9
A. 
B. 
C. 
D. 
Find the missing parts of the triangle. A = 10.5°a = 149 ftb = 176 ftIf necessary, round angles to the nearest tenth and side lengths to the nearest foot.
A. B1 = 157.1°, C1 = 12.4°, c1 = 318 ft B2 = 1.9°, C2 = 167.6°, c2 = 27 ft B. B = 12.4°, C = 157.1°, c = 318 ft C. no such triangle D. B1 = 12.4°, C1 = 157.1°, c1 = 318 ft B2 = 167.6°, C2 = 1.9°, c2 = 27 ft
All references are to the figure below. The distance between A and D is a, and the distance between D and C is x. 
Assuming that A = 15°, ?DBC = 27°, and a = 9, find h and x.
A. h ? 3, x ? 1 B. h ? 2.8, x ? 1.4 C. h ? 5, x ? 10 D. h ? 5.1, x ? 10.