Write the equation of a circle with the given center and radius.Center at (-10, -9); Radius 11
A. (x + 10)2 + (y + 9)2 = 121
B. (x + 9)2 + (y + 10)2 = 11
C. (x - 9)2 + (y - 10)2 = 11
D. (x - 10)2 + (y - 9)2 = 121
Answer: A
Mathematics
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A. y = - x + 4
B. y = 4x + 4
C. y = x - 4
D. y = 4
x + 1
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Solve the inequality, and then express in interval notation.x + 10 < 15
A. x ? 5; (-?, 5] B. x ? 5; [5, ?) C. x > 5; (5, ?) D. x < 5; (-?, 5)
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. 2x + y - 11z = 1 B. 2x + y - 11z = -8 C. -8x - 6y - z = -11 D. -8x - 6y - z = -16
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Find the second derivative of the function.r = 
(9 - ?)
A. 
= 
- ?
B. 
= 
C. 
= - 
- 1
D. 
= - 
- 1
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