This piecewise function represents the Social Security taxes for 2009. How much did Rachel pay in Social Security tax if she earned $102,000 in 2009?
A. $6,824.60
B. $6,355.10
C. $6,324.00
D. $6,220.00
Answer: C
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Solve the problem.According to relativity theory, an object whose x-component length is Lo, as it is observed at rest relative to the observer, will appear to the same observer to be shortened to a length L if the object is given an x-directed velocity, v. The ratio src="https://sciemce.com/media/4/ppg__text0427190932__f1q110g4.jpg" alt="" style="vertical-align: -4.0px;" /> ratio of 0.33.
A. 0.9440
B. 1.0117
C. 0.9310
D. 0.9690
is given by the relation 
where c is the speed of light. Use four terms of the appropriate series to evaluate 
for a
Find the domain and range of the inverse of the given function.f(x) = 2x - 4
A. Domain: [0, ?) ; range: all real numbers B. Domain and range: all real numbers C. Domain: (-?, 4) ? (4, ?); range: all real numbers D. Domain: all real numbers; range: (-?, -4) ? (-4, ?)
Find the specified domain and express it in interval notation.For f(x) = x2 - 81 and g(x) = 2x + 3, what is the domain of 
(x)?
A. 
? 
B. All real numbers
C. 
D. (-?, -9) ? (-9, 9) ? (9, ?)
Find the selling price per item to the nearest cent.Total cost: $15,741Quantity: 1,500 gal.Unsaleable: 20%% Markup on selling price: 41%
A. $17.79 B. $88.93 C. $9.30 D. $22.23