Provide an appropriate response.Solve the equation: x2 + 5x = 0
A. x = 0, 5
B. x = 0, 5i
C. x = 0, -5
D. x = 5
Answer: C
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Find the sum of the series as a function of x.
A. 
B. 
C. - 
D. - 
Solve.Anita receives a promotional offer from a long-distance phone company of $0.05 per minute for long-distance calls. If she spends between $10 and $35 on long distance calls in the first month, the offer will be extended by an extra month. If she spends more than $35 in the first month, the offer will be extended by an additional two months. For what range of minutes must Anita use long distance in the first month, if the offer is to be extended by an extra month?
A. At least 200 min B. Between 200 min and 900 min C. Between 200 min and 700 min D. Between 100 min and 700 min
Evaluate the integral.
dx
A. 
+ ln
+ 
+ C
B. 
+ ln
- 
+ C
C. 
+ 
+ C
D. (x + 5)2 tan-1 2x + ln
+ 
+ C
Evaluate the improper integral.
A. 
B. 
C. 
D. 