A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones. The numbers of cell sites from 1985 through 2008 can be modeled by 
where t represents the year, with 
corresponding to 1985. Use the model to find the numbers of cell sites in the year 2007 .
?
A. 211,071
B. 209,071
C. 208,071
D. 207,071
E. 210,071
Answer: B
Mathematics
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Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.5x2 - 45x + 100 = 0
A. 0, 4, 5 B. -4, -5 C. 4, 5 D. 5, 4, 5
Mathematics
A furniture store offers free setup and delivery services to all points within a 24-mi radius of its warehouse distribution center. If you live 20 mi east and 14 mi south of the warehouse, will you incur a delivery charge? Justify your answer.
What will be an ideal response?
Mathematics
Rewrite the expression with a rational exponent.
A. 62
B. 
C. 61/2
D. 
? 6
Mathematics
Use the leading coefficient test to determine whether y?? or y?-? as
y = 6x4 + 2x2 + x - 7
A. -? B. ?
Mathematics