Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: A
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Write the number in ordinary notation.7.0289 × 10-7
A. -702890,000 B. 0.000000070289 C. 0.00000070289 D. 0.0000070289
Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.The grocery expenses for six families were src="https://sciemce.com/media/4/ppg__ttt0612190950__f1q197g6.jpg" alt="" style="vertical-align: -4.0px;" />. Compute the mean grocery bill. Round your answer to the nearest cent.
A. $107.47
B. $71.64
C. $73.97
D. $85.97
, 
, 
, 
, 
, and
Find the domain and range.f(x) = 
A. D = (-?, -6) ? (-6, ?) , R = [0, ?)
B. D = (-?, 6) ? (6, ?) , R = (-?, ?)
C. D = (-?, 6) ? (6, ?) , R = 
D. D = (-?, -6) ? (-6, ?) , R = 
Solve the problem.The graph of a function is given below. Tell whether the graph could possibly be the graph of a polynomial function. If it could be the graph of a polynomial function, tell which of the following are possible degrees for the polynomial function: 3, 4, 5, 6.
A. yes; 4 only B. yes; 3 only C. yes; 5 only D. yes; 3, 5