The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.
,
,
,
,
, ...
A. an =
B. an = n-1
C. an =
D. an =
Answer: A
Mathematics
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Find the foci of the ellipse. +
= 1
A. (-3, -1+ ), (-3, -1 -
)
B. (-9, -1), (3, -1)
C. (- , -1), (
, -1)
D. (-3 + , -1), (-3 -
, -1)
Mathematics
The vector v has initial point P and terminal point Q. Write v as a position vector.P(-12, 4), Q(-11, 13)
A.
B.
C.
D.
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) =
A. f(x) = , g(x) = 7x + 3
B. f(x) = x, g(x) = 7x + 3
C. f(x) = , g(x) = 7x - 3
D. f(x) = -, g(x) = 7x + 3
Mathematics
Graph the solution set of the inequality in the rectangular coordinate plane.?y? ? 5
A.
B.
C.
D.
Mathematics