Graph the inequality.x2 + y2 ? 9
A. 
B. 
C. 
D. 
Answer: A
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the curves y = ± 
and the lines x = 1 and x = 9, with density ?(x) = 
A. 
= 4, 
= 0
B. 
= 5, 
= 0
C. 
= 3, 
= 0
D. 
= 2, 
= 0
Solve the problem.How many different three-digit numbers can be written using digits from the set {2, 3, 4, 5, 6} without any repeating digits?
A. 10 B. 60 C. 120 D. 20
Write the equation of the parabola that has the same shape as the given parabola but with the given vertex.f(x) = -4x2; (-5, -1)
A. f(x) = -4(x + 1)2 - 5 B. f(x) = -4(x + 5)2 + 1 C. f(x) = -4(x + 5)2 - 1 D. f(x) = -4(x - 1)2 - 5
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x2 + 3 , g(x) = 
- 3
A. No, yes B. No, no C. Yes, yes D. Yes, no