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Question
which statement(s) about the graph of (f(x) = x^2 - 4x - 1) are true? select all that apply.
a. (f) has an axis of symmetry at (x = 2).
b. the range of (f) is (f(x) ge -1).
c. the maximum value of (f) is (-5) when (x = 2).
d. as (x) approaches infinity, (f(x)) approaches infinity.
Find the vertex and axis of symmetry
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LATEXBLOCK0
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Determine range and extremum
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LATEXBLOCK1
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Determine end behavior
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LATEXBLOCK2
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- A. f has an axis of symmetry at x = 2. (Correct answer)
- B. The range of f is f(x) ≥ -1.
- C. The maximum value of f is -5 when x = 2.
- D. As x approaches infinity, f(x) approaches infinity. (Correct answer)