Solve the problem.What familiar constant does the series 
seem to approach?
A. e
B. 2
C. 3
D. ?
Answer: A
Mathematics
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Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.24, 20 , 16, 12, . . .
A. an = 4n - 24; a20 = 56 B. an = 28 - 4n; a20 = -52 C. an = 24 - 4n; a20 = -56 D. an = 4n - 28; a20 = 52
Mathematics
Find the indicated function value.Find f(0) when f(x) = x2 + 4x - 3.
A. 0 B. 3 C. -3 D. 9
Mathematics
Find the vertices and locate the foci for the hyperbola whose equation is given.16x2 - 4y2 = 64
A. vertices: (0, -2), (0, 2)
foci: (0, -2
), (0, 2
)
B. vertices: (-2, 0), (2, 0)
foci: (-2
, 0), (2
, 0)
C. vertices: (-2, 0), (2, 0)
foci: (-2
, 0), (2
, 0)
D. vertices: (-4, 0), (4, 0)
foci: (-2
, 0), (2
, 0)
Mathematics
Add or subtract.
- 
A. 2b B. 6a C. 4b D. 0
Mathematics