Without graphing the function, determine its amplitude or period as requested.y = -2 sin xFind the amplitude.
A. -2?
B. 2?
C. 2
D. 
Answer: C
Mathematics
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Divide 103 by 10-3.
a. 106 b. 103 c. 100 d. 10-3 e. 10-6
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Evaluate the logarithm without the use of a calculator.log9 
A. 81 B. -81 C. -3 D. 3
Mathematics
Sandy wishes to have a rectangular garden in her backyard. She has 40 ft of fencing with which to enclose her garden. Letting x denote the width of the garden, find a function f in the variable x that gives the area of the garden. Select the correct answer.
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Mathematics
Identify the fraction as a proper fraction or an improper fraction.
A. Improper fraction B. Proper fraction
Mathematics