Find an equation of the circle satisfying the given conditions.Endpoints of a diameter: (1, 4) and (-7, 3)
A. 
2 + 
2 = 85
B. 
2 + 
2 = 37
C. 
2 + 
2 = 
D. 
2 + 
2 = 65
Answer: C
Mathematics
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Write one or more inequalities that describe the set of points.The exterior of the sphere of radius 2 centered at the point (4, -5, 5)
A. (x + 4)2 + (x - 5)2 + (x + 5)2 ? 4 B. (x + 4)2 + (x - 5)2 + (x + 5)2 < 4 C. (x - 4)2 + (x + 5)2 + (x - 5)2 > 4 D. (x - 4)2 + (x + 5)2 + (x - 5)2 < 4
Mathematics
Sketch the graph of the quadratic function.f(x) = 
(x + 2)2 + 4
A. 
B. 
C. 
D. 
Mathematics
Find the divergence of the field F.F = -21xz6i + 3yj + 3z7k
A. -42z6 + 3 B. -21z6 + 3 C. -42z6 D. 3
Mathematics
Use a calculator to give the real number value. Round the answer to 7 decimal places.y = cot-1 (2.5181552)
A. 6.8341176 B. 2.1658824 C. 0.3780178 D. 1.1927785
Mathematics