Find the center and radius of the sphere.2x2 + 2y2 + 2z2 - x + y - z = 9
A. C
, a =
B. C
, a = 
C. C
, a = 
D. C
, a = 
Answer: B
Mathematics
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = ln(x + 6); relative to f(x) = ln x
A. Moved left 6 units
B. Moved right 6 units
C. Moved left 6 units
D. Moved right 6 units
Mathematics
Provide an appropriate response.If sin x is replaced by 
and |x| < 0.7, what estimate can be made of the error?
A. |E| < 0.0020008 B. |E| < 0.0014006 C. |E| < 0.010004 D. |E| < 0.0070029
Mathematics
Find a general term an for the geometric sequence.a6 = - 
, a11 = 
, and r < 0
A. an = 4 
n-1
B. an = 4 
n-1
C. an = 
(-2)(n-1)
D. an = 6 
n-1
Mathematics
Write the sum in summation notation.3 + 7 + 11 + 15 + 19
A. 
B. 
C. 
D. 
Mathematics