Find the vertices of the ellipse.
+ 
= 1
A. (6, -3), (-6, -3)
B. (
, -3), (-
, -3)
C. (
, 0), (-
, 0)
D. (6, 0), (-6, 0)
Answer: A
Mathematics
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Find the domain of x in the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.Given 
f(x) = Ll, 
f(x) = Lr, and Ll ? Lr, which of the following statements is true? I. 
f(x) = Ll II. 
f(x) = Lr III. 
f(x) does not exist.
A. I B. none C. II D. III
Mathematics
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated.7
+ 5
- 6
- 8
A. 13
- 3
B. 
- 3
C. -22
D. 
- 13
Mathematics