Find the domain of the function.f(x) = log1/2(x + 4)
A. (-?, -4)
B. (4, ?)
C. (-?, 4)
D. (-4, ?)
Answer: D
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = xyi + y2j - 2yzk ; D: the solid wedge cut from the first quadrant by the plane and the parabolic cylinder x = 9 - 4y2
A.
B.
C.
D.
Find the first term and the common ratio of the geometric sequence.an = 10n-1
A. a1 = -1, r =
B. a1 = 1, r = 10
C. a1 = 10, r = -10
D. a1 = 0, r = 10n-1
Find the vertex and focus of the parabola.
A. vertex: focus:
B. vertex: (0, 0) focus:
C. vertex: (0, 0) focus:
D. vertex: (0, 0) focus:
E. vertex: focus:
List the first n terms of the geometric sequence satisfying the given conditions.a1 = 8, r = , n = 4
A. 8, 24, 72, 216
B. ,
,
,
C. 8, ,
,
D. 8, ,
, 9