Identify the vertex of the given parabola.f(x) = x2 - 7

A. (0, 7)
B. (1, 0)
C. (7, 0)
D. (0, -7)

Answer: D

Mathematics

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A. 1 B. 2 C. 0 D. ?, for all x

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Find the range of the quadratic function in interval notation.f(x) = 11(x - 2)2 + 9

A. [2, ?) B. [-9, ?) C. (-?, 9] D. [9, ?)

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Simplify the expression.

A.
B.
C.
D.

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Find an equation in slope-intercept form (where possible) for the line.Through (4, 0), m = -1

A. y = x - 4 B. y = -4x C. y = 4x D. y = -x + 4

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