Use a computer or graphing calculator to find the one-sided limit. Begin by plotting the function in an appropriate window. Your computer may indicate that the limit does not exist, but, if so, you should be able to interpret the answer as either ? or -?.
A. ?
B. 1
C. -?
D. e
Answer: B
Mathematics
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Simplify and reduce to lowest terms.
- 
A. x + 3
B. 
C. 
D. 
Mathematics
Find the domain of the expression. x 2 - 8 x + 12
A) all real numbers except x = 2 and x = 6 B) all real numbers except x = 0 C) x = 2 or x = 6 D) x > 0 E) all real numbers
Mathematics
Find the center, foci, and vertices of the ellipse.81x2 + 49y2 = 3969
A. center at (0, 0)
foci at (- 4
, 0) and (4
, 0)
vertices at (-9, 0), (9, 0)
B. center at (0, 0)
foci at (0, -9) and (0, 9)
vertices at (0, -81), (0, 81)
C. center at (0, 0)
foci at (0, 9) and (7, 0)
vertices at (0, 81) and (49, 0)
D. center at (0, 0)
foci at (0, - 4
) and (0, 4
)
vertices at (0, -9), (0, 9)
Mathematics
Subtract.16.822 - 6.294
A. 10.628 B. 10.728 C. 10.528 D. 23.116
Mathematics