Find the center and the radius of the circle.x2 + y2 - 8x - 6y + 16 = 0
A. (-4, 3); r = 3
B. (4, 3); r = 3
C. (4, -3); r = 3
D. (-4, -3); r = 3
Answer: B
Mathematics
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A. {(1, -2)} B. {(1, 0)} C. ? D. {(0, -1)}
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Find the derivative of the function.
f (x) = 2 cos x ? 2x ? 8
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Match the given equation with one of the graphs.
- 
= 1
A. 
B. 
C. 
D. 
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