Graph.x2 + y2 + 10x + 8y + 25 = 0
A. 
B. 
C. 
D. 
Answer: D
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Find the length of the following curve.x = 3e
y + 
e-
y, for 0 ? y ? 
A. 
B. 
C. 
D. 
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.B = 82°28', c = 13.39 ft
A. A = 8°32', a ? 13.27 ft, b ? 1.755 ft B. A = 7°32', a ? 13.27 ft, b ? 1.76 ft C. A = 7°32', a ? 1.755 ft, b ? 13.27 ft D. A = 7°32', a ? 1.76 ft, b ? 13.27 ft
Find f'(x) for the function, then find f'(x) for the given x.f(x) = - 
, f'(2)
A. f'(x) = 3x2; f'(2) = 12
B. f'(x) = 
; f'(2) = 
C. f'(x) = - 
; f'(2) = - 
D. f'(x) = 3x; f'(2) = 6
Use the even-odd identities to find the exact value of the expression. cos 
A. 0 B. undefined C. -1 D. 1