Find the center and radius of the sphere.(x + 2)2 + (y + 9)2 + (z + 8)2 = 
A. C(2, 9, 8), a = 
B. C(2, 9, 8), a = 
C. C(-2, -9, -8), a = 
D. C(-2, -9, -8), a = 
Answer: D
Mathematics
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Find the domain of the function.f(x) = 
A. 
, or (-?, -7) ? 
? 
B. 
, or 
? 
C. 
, or 
? 
? (7, ?)
D. {x| x ? 7}, or (-?, 7) ? (7, ?)
Mathematics
Provide the requested response.Suppose that a polynomial function of degree 4 with rational coefficients has 6, 4, 
as zeros. Find the other zero.
A. 
i
B. - 
C. -6
D. i + 
Mathematics
Find the exact value of the expression. Do not use a calculator.tan 
- sin 
A. - 
B. - 
C. 
D. 
Mathematics
Find the product.
A. 12 B. -27 C. 6 D. -12 E. 27
Mathematics