Find the intersection of the given intervals.(4, ?) ? [13, ?)
A. (4, 13]
B. (-?, ?)
C. (4, ?)
D. [13, ?)
Answer: D
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The following table shows the number D, in millions, of DirecTV subscribers t years after 1995. t 0 4 9 14 D 1.06 6.97 14.28 19.83? ? A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Based on the regression equation, how many new DirecTV subscribers would be expected over a 5-year period?D: What number of subscribers does the regression line predict for 2013?
What will be an ideal response?
Evaluate the integral by changing the order of integration in an appropriate way.
A. 1 ln 3 (e - 1)
B. 1 ln 2 (e - 1)
C. 
ln 2 (e - 1)
D. 
ln 3 (e - 1)
Factor the polynomial by substitution.a2(a + b)2 - ab(a + b)2 - 72b2(a + b)2
A. (a + b)2(a - 9)(a + 8) B. (a + b)2(a - 8b)(a + 9b) C. (a - 9b)(a + 8b)(a + b) D. (a + b)2(a - 9b)(a + 8b)
Use the method of your choice to find all real solutions of the equation.(p - 2)2 = 15
A. {-2 ± 
}
B. {
+ 2}
C. {2 ± 
}
D. {
- 
}