Solve.(a + 3)(a + 2)(a - 4) > 0
A. (4, ?), or {a
a > 4}
B. (-?, -3) ? (-2, 4), or {a
a < -3 or -2 < a < 4}
C. (-?, -2), or {a
a < -2}
D. (-3, -2) ? (4, ?), or {a
-3 < a < -2 or a > 4}
Answer: D
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Solve the problem.When Milo got promoted at work, he received a 25% pay raise. He now earns $35,000 per year. What was his annual salary before his raise?
A. $7000 B. $28,000 C. $8750 D. $35,000
Express the integrand as a sum of partial fractions and evaluate the integral.
A. tan-1 
- 
- 
+ C
B. 
tan-1 
+ ln 
- 
+ C
C. 
tan-1 
+ 
- 
+ C
D. 
tan-1 
- 
+ 
+ C
Find a 95% confidence interval for the true population proportion.In a survey of 693 employees of a large company, 34% said that they had high job satisfaction.
A. 33.9% to 34.1% B. 32.1% to 35.9% C. 30.2% to 37.8% D. 34% to 37.8%
The graph of a polynomial function is given.
?
? 
?
Find the coordinates of all local extrema.
?
A. 
B. 
C. 
D. 
E. 
, 