In the exercise below, the initial substitution of x = a yields the form 0/0. Look for ways to simplify the function algebraically, or use a table and/or graph to determine the limit. When necessary, state that the limit does not exist.
A. Does not exist
B. -10
C. 1
D. -20
Answer: D
Mathematics
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Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Find the LCD. Do not combine fractions.
, 
A. 3ab B. a2b2 C. 4a2b2 D. 3a2b2
Mathematics
Solve the problem. Round the answer to the nearest tenth, if necessary.A 22-ft ladder is leaning against a wall. The top of the ladder is 18-ft above the ground. How far is the bottom of the ladder from the wall?
A. 80 ft B. 12.6 ft C. 20 ft D. 6.3 ft
Mathematics
Solve the problem.A rectangle has a diagonal of 5 feet and a perimeter of 14 feet. Find the rectangle's dimensions.
A. 3 ft by 4 ft B. 4 ft by 6 ft C. 3 ft by 8 ft D. 3 ft by 8 ft or 4 ft by 6 ft
Mathematics