Find the center of the ellipse.16x2 + 128x + 25y2 - 100y - 44 = 0
A. (2, -4)
B. (-9, 2)
C. (2, -9)
D. (-4, 2)
Answer: D
Mathematics
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For the function f whose graph is given, determine the limit.Find 
f(x) and 
f(x).
A. does not exist; does not exist B. -1; 3 C. 1; 1 D. 3; -1
Mathematics
Find the product.(n - 1)(n + 1)
A. n2 - 1 B. n2 - 2n + 1 C. n2 - 2 D. n2 - 2n - 1
Mathematics
In a recent pretrial run for the world water speed record, the velocity of the Sea Falcon II 
seconds after firing the booster rocket was given by
?
ft/sec. Find the distance covered by the boat over the 10-second period after the booster rocket was activated.
Hint: The distance is given by 
.
?
A. 
ft
B. 
ft
C. 
ft
D. 
ft
Mathematics
Add or subtract as indicated. You will need to simplify terms to identify like radicals.4
- 5
A. 19
B. -51
C. 51
D. -19
Mathematics