Find the limit, if it exists.Let 
Find
f(x).
A. -7
B. -2
C. 5
D. Does not exist
Answer: A
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Simplify the expression by rationalizing the denominator.
A. 
B. 
C. 
D. 
Solve the problem.Jackie's sisters weigh 115 lb, 144 lb, 128 lb, and 120 lb. The average female in her city weighs 139.5 lb. How much does Jackie weigh if she and her sisters have an average weight of 139.5 lb?
A. 129.3 lb B. 126.8lb C. 190.5 lb D. 305.5 lb
Solve the problem.A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 50 feet from where the rope is staked down. Find the altitude of the balloon if the rope is 90 feet long. Leave your answer in simplified radical form. 
A. 10
ft
B. 2
ft
C. 20
ft
D. 4
ft
Solve the inequality. Give the solution set in both interval and graph forms.6 ? 
? 9
A. 
 ? |  |
B.
, 
-  |  |
C.
 ? |  |
D.
-  |  |