State the solution set to the inequality by reading the graph.
? 0
y = 
A. (-5, 0] ? (5, ?)
B. (-?, -5) ? [0, 5)
C. [0, 5) ? (5, ?)
D. (-?, -5) ? (-5, 0]
Answer: A
Mathematics
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Find the center and the radius of the circle.x2 + y2 - 4x + 4y = -4
A. (2, -2); r = 4 B. (2, -2); r = 2 C. (5, -2); r = 2 D. (2, -1); r = 2
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (
- 9)5
A. f(x) = 
- 9, g(x) = x5
B. f(x) = 
, g(x) = (x - 9)5
C. f(x) = x5, g(x) = 
- 9
D. f(x) = 
5, g(x) = x - 9
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A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function.(-5, -12)Find cot ?.
A. 
B. - 
C. - 
D. 
Mathematics
Find an equation for the graph.
A. y = 
cos 
B. y = 
cos (4x)
C. y = cos (4x)
D. y = 
cos 
Mathematics