Determine the limit (if it exists).
?
?
A. -1
B. -8
C. 3
D. -4
E. does not exist
Answer: A
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State the period of the function and graph. cos 
A. Period 6
B. Period 6
C. Period 6
D. Period 6
Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The capacitance of a certain element in an electric circuit (in ?F) was determined by calculating the value of 
Calculate this capacitance.
A. 8.0 ?F B. 7.3 ?F C. 7.7 ?F D. 7.5 ?F
Solve the problem.The hypotenuse of a right triangle is 9 feet long. One leg of the triangle is 3 feet longer then the other leg. Find the perimeter of the triangle.
A. 
ft
B. 
ft
C. (3
+ 9) ft
D. (3
- 9) ft
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 