State the domain and range of the given function.f(x) = (x + 4)2
A. Domain: (-?, ?)
Range: [0, ?)
B. Domain: [-4, ?)
Range: (-?, ?)
C. Domain: (-?, ?)
Range: [4, ?)
D. Domain: (-?, ?)
Range: (-?, ?)
Answer: A
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Use a calculator to approximate the number. (Round your answer to three decimal places.)
A. -3.176 B. 11162.377 C. -11159.051 D. -3.970 E. 5.548
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, -9), (0, 9);
F: (0, -3), (0, 3)
B. V: (0, -3), (0, 3);
F: (0, - 
) and (0, 
)
C. V: (-3, 0), (3, 0)
F: (- 
, 0), (
, 0)
D. V: (0, 9), (4, 0);
F: (0, 3), (2, 0)
Use integration by parts to establish a reduction formula for the integral.
A. 
= n xn-1 e- x2 + 2n 
B. 
= - 
xn e- x2 + 
C. 
= - 
xn-1 e- x2 + 
D. 
= - 2xn-1 e- x2 - 2(n - 1) 
Determine the number of significant digits in the given approximate number.587,000,000
A. 9 B. 5 C. 3 D. 8