Use the vertex and the direction in which the parabola opens to determine the relation's domain and range.x = -(y + 8)2 + 1
A. Domain: (-?, ?)
Range: (-?, ?)
B. Domain: (-?, 1]
Range: (-?, ?)
C. Domain: (-?, 1)
Range: (-?, ?)
D. Domain: (-?, ?)
Range: (-?, 1]
Answer: B
Mathematics
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Solve the problem.
Four boards are used as shelves in a bookcase. Each one is 
inch thick and the shelves areevenly spaced. If the height, h, of the bookcase is 40 inches, how much space is between each shelf?
A. 13
inches
B. 9
inches
C. 12
inches
D. 10 inches
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Sketch the graph of the quadratic function by using translations.f(x) = (x + 1)2 
A. 
B. 
C. 
D. 
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Solve.b2 + 11b = 0
A. -1, -11 B. -11, 0 C. 11, 0 D. 1, -11
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Complete the factoring.4x2 = 4x( )
A. 16 B. 2 C. x2 D. x
Mathematics