Select the first five terms of the sequence. (Assume that n begins with 1.)
?

?
A.
?
B.
?
C.
?
D.
?
E.
?
Answer: E
Mathematics
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The centroid of a triangle lies at the intersection of the triangle's medians, because it lies one-third of the way from each side towards the opposite vertex. Use this result to find the centroid of the triangle whose vertices appear as following.(-2, 0), (2, 0), (0, 7)
A. (0, )
B. (0, 7)
C. (0, )
D. (0, )
Mathematics
Find the limit.
A.
B.
C. 2
D. 0
Mathematics
Tell whether the graph of the function opens up or down.P(x) = (x + 2)2
A. down B. up
Mathematics
The graph of an ellipse is given. Find the standard form of the equation of the ellipse.
A. +
= 1
B. +
= 1
C. +
= 1
D. -
= 1
Mathematics