Simplify the complex rational expression.
A. x(x + 4)
B. x(x - 4)
C. 
D. x - 4
Answer: C
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
+ 
+ C
B. ln 
- 
+ 
+ C
C. ln 
- 
+ C
D. ln 
- 
+ 
+ C
Find the coordinates of the vertices and foci of the ellipse.
+ 
= 1
A. V(-25, 0), V(25, 0), F(-20, 0), F(20, 0) B. V(0, -25), V(0, 25), F(0, -15), F(0, 15) C. V(0, -25), V(0, 25), F(0, -20), F(0, 20) D. V(-25, 0), V(25, 0), F(-15, 0), F(15, 0)
Write the negation of the compound statement.John went to Macy's or Sears.John __________ (did not go, went) to Macy's and he __________ (went, did not go) to Sears.
Fill in the blank(s) with the appropriate word(s).
The 5th term of an arithmetic sequence is 8, and the first term is -8. Find the common difference.
Fill in the blank(s) with the appropriate word(s).