What is the domain of f(x)? What is its range?f(x) = 
+ 5
A. Domain: (-?, 7) ? (7, ?); range: (5, ?)
B. Domain: (-?, -7) ? (-7, ?); range: (-?, 5)
C. Domain: (-?, -5) ? (-5, ?); range: (-?, 0) ? (0, ?)
D. Domain: (-?, 5) ? (5, ?); range: (0, ?)
Answer: A
Mathematics
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Graph.5x2 + 25y2 = 225 
A. 
B. 
C. 
D. 
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = esin 7x
A. p2(x) = 7x + 
x2
B. p2(x) = 1 + 7x + 
x2
C. p2(x) = 7x - 
x2
D. p2(x) = 1 - 7x + 
x2
Mathematics
Use the comparison test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Find the least common multiple.6, 7
A. 13 B. 6 C. 21 D. 42
Mathematics